/**
 * @preserve FullCalendar v1.5.4 http://arshaw.com/fullcalendar/
 * 
 * Use fullcalendar.css for basic styling. For event drag & drop, requires
 * jQuery UI draggable. For event resizing, requires jQuery UI resizable.
 * 
 * Copyright (c) 2011 Adam Shaw Dual licensed under the MIT and GPL licenses,
 * located in MIT-LICENSE.txt and GPL-LICENSE.txt respectively.
 * 
 * Date: Tue Sep 4 23:38:33 2012 -0700
 * 
 */

(function($, undefined) {

	var defaults = {

	    // display
	    defaultView : 'month',
	    aspectRatio : 1.35,
	    header : {
	        left : 'title',
	        center : '',
	        right : 'today prev,next'
	    },
	    weekends : true,

	    // editing
	    // editable: false,
	    // disableDragging: false,
	    // disableResizing: false,

	    allDayDefault : true,
	    ignoreTimezone : true,

	    // event ajax
	    lazyFetching : true,
	    startParam : 'start',
	    endParam : 'end',

	    // time formats
	    titleFormat : {
	        month : 'MMMM yyyy',
	        week : "MMM d[ yyyy]{ '&#8212;'[ MMM] d yyyy}",
	        day : 'dddd, MMM d, yyyy'
	    },
	    columnFormat : {
	        month : 'ddd',
	        week : 'ddd M/d',
	        day : 'dddd M/d'
	    },
	    timeFormat : { // for event elements
		    '' : 'h(:mm)t' // default
	    },

	    // locale
	    isRTL : false,
	    firstDay : 0,
	    monthNames : [ 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December' ],
	    monthNamesShort : [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ],
	    dayNames : [ 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday' ],
	    dayNamesShort : [ 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat' ],
	    buttonText : {
	        prev : '&nbsp;&#9668;&nbsp;',
	        next : '&nbsp;&#9658;&nbsp;',
	        prevYear : '&nbsp;&lt;&lt;&nbsp;',
	        nextYear : '&nbsp;&gt;&gt;&nbsp;',
	        today : 'today',
	        month : 'month',
	        week : 'week',
	        day : 'day'
	    },

	    // jquery-ui theming
	    theme : false,
	    buttonIcons : {
	        prev : 'circle-triangle-w',
	        next : 'circle-triangle-e'
	    },

	    // selectable: false,
	    unselectAuto : true,

	    dropAccept : '*'

	};

	// right-to-left defaults
	var rtlDefaults = {
	    header : {
	        left : 'next,prev today',
	        center : '',
	        right : 'title'
	    },
	    buttonText : {
	        prev : '&nbsp;&#9658;&nbsp;',
	        next : '&nbsp;&#9668;&nbsp;',
	        prevYear : '&nbsp;&gt;&gt;&nbsp;',
	        nextYear : '&nbsp;&lt;&lt;&nbsp;'
	    },
	    buttonIcons : {
	        prev : 'circle-triangle-e',
	        next : 'circle-triangle-w'
	    }
	};

	var fc = $.fullCalendar = {
		version : "1.5.4"
	};
	var fcViews = fc.views = {};

	$.fn.fullCalendar = function(options) {

		// method calling
		if (typeof options == 'string') {
			var args = Array.prototype.slice.call(arguments, 1);
			var res;
			this.each(function() {
				var calendar = $.data(this, 'fullCalendar');
				if (calendar && $.isFunction(calendar[options])) {
					var r = calendar[options].apply(calendar, args);
					if (res === undefined) {
						res = r;
					}
					if (options == 'destroy') {
						$.removeData(this, 'fullCalendar');
					}
				}
			});
			if (res !== undefined) {
				return res;
			}
			return this;
		}

		// would like to have this logic in EventManager, but needs to happen
		// before options are recursively extended
		var eventSources = options.eventSources || [];
		delete options.eventSources;
		if (options.events) {
			eventSources.push(options.events);
			delete options.events;
		}

		options = $.extend(true, {}, defaults, (options.isRTL || options.isRTL === undefined && defaults.isRTL) ? rtlDefaults : {}, options);

		this.each(function(i, _element) {
			var element = $(_element);
			var calendar = new Calendar(element, options, eventSources);
			element.data('fullCalendar', calendar); // TODO: look into memory
													// leak implications
			calendar.render();
		});

		return this;

	};

	// function for adding/overriding defaults
	function setDefaults(d) {
		$.extend(true, defaults, d);
	}

	function Calendar(element, options, eventSources) {
		var t = this;

		// exports
		t.options = options;
		t.render = render;
		t.destroy = destroy;
		t.refetchEvents = refetchEvents;
		t.reportEvents = reportEvents;
		t.reportEventChange = reportEventChange;
		t.rerenderEvents = rerenderEvents;
		t.changeView = changeView;
		t.select = select;
		t.unselect = unselect;
		t.prev = prev;
		t.next = next;
		t.prevYear = prevYear;
		t.nextYear = nextYear;
		t.today = today;
		t.gotoDate = gotoDate;
		t.incrementDate = incrementDate;
		t.formatDate = function(format, date) {
			return formatDate(format, date, options)
		};
		t.formatDates = function(format, date1, date2) {
			return formatDates(format, date1, date2, options)
		};
		t.getDate = getDate;
		t.getView = getView;
		t.option = option;
		t.trigger = trigger;

		// imports
		EventManager.call(t, options, eventSources);
		var isFetchNeeded = t.isFetchNeeded;
		var fetchEvents = t.fetchEvents;

		// locals
		var _element = element[0];
		var header;
		var headerElement;
		var content;
		var tm; // for making theme classes
		var currentView;
		var viewInstances = {};
		var elementOuterWidth;
		var suggestedViewHeight;
		var absoluteViewElement;
		var resizeUID = 0;
		var ignoreWindowResize = 0;
		var date = new Date();
		var events = [];
		var _dragElement;

		/*
		 * Main Rendering
		 * -----------------------------------------------------------------------------
		 */

		setYMD(date, options.year, options.month, options.date);

		function render(inc) {
			if (!content) {
				initialRender();
			} else {
				calcSize();
				markSizesDirty();
				markEventsDirty();
				renderView(inc);
			}
		}

		function initialRender() {
			tm = options.theme ? 'ui' : 'fc';
			element.addClass('fc');
			if (options.isRTL) {
				element.addClass('fc-rtl');
			}
			if (options.theme) {
				element.addClass('ui-widget');
			}
			content = $("<div class='fc-content' style='position:relative'/>").prependTo(element);
			header = new Header(t, options);
			headerElement = header.render();
			if (headerElement) {
				element.prepend(headerElement);
			}
			changeView(options.defaultView);
			$(window).resize(windowResize);
			// needed for IE in a 0x0 iframe, b/c when it is resized, never
			// triggers a windowResize
			if (!bodyVisible()) {
				lateRender();
			}
		}

		// called when we know the calendar couldn't be rendered when it was
		// initialized,
		// but we think it's ready now
		function lateRender() {
			setTimeout(function() { // IE7 needs this so dimensions are
									// calculated correctly
				if (!currentView.start && bodyVisible()) { // !currentView.start
															// makes sure this
															// never happens
															// more than once
					renderView();
				}
			}, 0);
		}

		function destroy() {
			$(window).unbind('resize', windowResize);
			header.destroy();
			content.remove();
			element.removeClass('fc fc-rtl ui-widget');
		}

		function elementVisible() {
			return _element.offsetWidth !== 0;
		}

		function bodyVisible() {
			return $('body')[0].offsetWidth !== 0;
		}

		/*
		 * View Rendering
		 * -----------------------------------------------------------------------------
		 */

		// TODO: improve view switching (still weird transition in IE, and FF
		// has whiteout problem)
		function changeView(newViewName) {
			if (!currentView || newViewName != currentView.name) {
				ignoreWindowResize++; // because setMinHeight might change the
										// height before render (and
										// subsequently setSize) is reached

				unselect();

				var oldView = currentView;
				var newViewElement;

				if (oldView) {
					(oldView.beforeHide || noop)(); // called before changing
													// min-height. if called
													// after, scroll state is
													// reset (in Opera)
					setMinHeight(content, content.height());
					oldView.element.hide();
				} else {
					setMinHeight(content, 1); // needs to be 1 (not 0) for
												// IE7, or else view dimensions
												// miscalculated
				}
				content.css('overflow', 'hidden');

				currentView = viewInstances[newViewName];
				if (currentView) {
					currentView.element.show();
				} else {
					currentView = viewInstances[newViewName] = new fcViews[newViewName](newViewElement = absoluteViewElement = $("<div class='fc-view fc-view-" + newViewName + "' style='position:absolute'/>").appendTo(content), t // the
																																																										// calendar
																																																										// object
					);
				}

				if (oldView) {
					header.deactivateButton(oldView.name);
				}
				header.activateButton(newViewName);

				renderView(); // after height has been set, will make
								// absoluteViewElement's position=relative, then
								// set to null

				content.css('overflow', '');
				if (oldView) {
					setMinHeight(content, 1);
				}

				if (!newViewElement) {
					(currentView.afterShow || noop)(); // called after setting
														// min-height/overflow,
														// so in final scroll
														// state (for Opera)
				}

				ignoreWindowResize--;
			}
		}

		function renderView(inc) {
			if (elementVisible()) {
				ignoreWindowResize++; // because renderEvents might
										// temporarily change the height before
										// setSize is reached

				unselect();

				if (suggestedViewHeight === undefined) {
					calcSize();
				}

				var forceEventRender = false;
				if (!currentView.start || inc || date < currentView.start || date >= currentView.end) {
					// view must render an entire new date range (and
					// refetch/render events)
					currentView.render(date, inc || 0); // responsible for
														// clearing events
					setSize(true);
					forceEventRender = true;
				} else if (currentView.sizeDirty) {
					// view must resize (and rerender events)
					currentView.clearEvents();
					setSize();
					forceEventRender = true;
				} else if (currentView.eventsDirty) {
					currentView.clearEvents();
					forceEventRender = true;
				}
				currentView.sizeDirty = false;
				currentView.eventsDirty = false;
				updateEvents(forceEventRender);

				elementOuterWidth = element.outerWidth();

				header.updateTitle(currentView.title);
				var today = new Date();
				if (today >= currentView.start && today < currentView.end) {
					header.disableButton('today');
				} else {
					header.enableButton('today');
				}

				ignoreWindowResize--;
				currentView.trigger('viewDisplay', _element);
			}
		}

		/*
		 * Resizing
		 * -----------------------------------------------------------------------------
		 */

		function updateSize() {
			markSizesDirty();
			if (elementVisible()) {
				calcSize();
				setSize();
				unselect();
				currentView.clearEvents();
				currentView.renderEvents(events);
				currentView.sizeDirty = false;
			}
		}

		function markSizesDirty() {
			$.each(viewInstances, function(i, inst) {
				inst.sizeDirty = true;
			});
		}

		function calcSize() {
			if (options.contentHeight) {
				suggestedViewHeight = options.contentHeight;
			} else if (options.height) {
				suggestedViewHeight = options.height - (headerElement ? headerElement.height() : 0) - vsides(content);
			} else {
				suggestedViewHeight = Math.round(content.width() / Math.max(options.aspectRatio, .5));
			}
		}

		function setSize(dateChanged) { // todo: dateChanged?
			ignoreWindowResize++;
			currentView.setHeight(suggestedViewHeight, dateChanged);
			if (absoluteViewElement) {
				absoluteViewElement.css('position', 'relative');
				absoluteViewElement = null;
			}
			currentView.setWidth(content.width(), dateChanged);
			ignoreWindowResize--;
		}

		function windowResize() {
			if (!ignoreWindowResize) {
				if (currentView.start) { // view has already been rendered
					var uid = ++resizeUID;
					setTimeout(function() { // add a delay
						if (uid == resizeUID && !ignoreWindowResize && elementVisible()) {
							if (elementOuterWidth != (elementOuterWidth = element.outerWidth())) {
								ignoreWindowResize++; // in case the
														// windowResize callback
														// changes the height
								updateSize();
								currentView.trigger('windowResize', _element);
								ignoreWindowResize--;
							}
						}
					}, 200);
				} else {
					// calendar must have been initialized in a 0x0 iframe that
					// has just been resized
					lateRender();
				}
			}
		}

		/*
		 * Event Fetching/Rendering
		 * -----------------------------------------------------------------------------
		 */

		// fetches events if necessary, rerenders events if necessary (or if
		// forced)
		function updateEvents(forceRender) {
			if (!options.lazyFetching || isFetchNeeded(currentView.visStart, currentView.visEnd)) {
				refetchEvents();
			} else if (forceRender) {
				rerenderEvents();
			}
		}

		function refetchEvents() {
			fetchEvents(currentView.visStart, currentView.visEnd); // will call
																	// reportEvents
		}

		// called when event data arrives
		function reportEvents(_events) {
			events = _events;
			rerenderEvents();
		}

		// called when a single event's data has been changed
		function reportEventChange(eventID) {
			rerenderEvents(eventID);
		}

		// attempts to rerenderEvents
		function rerenderEvents(modifiedEventID) {
			markEventsDirty();
			if (elementVisible()) {
				currentView.clearEvents();
				currentView.renderEvents(events, modifiedEventID);
				currentView.eventsDirty = false;
			}
		}

		function markEventsDirty() {
			$.each(viewInstances, function(i, inst) {
				inst.eventsDirty = true;
			});
		}

		/*
		 * Selection
		 * -----------------------------------------------------------------------------
		 */

		function select(start, end, allDay) {
			currentView.select(start, end, allDay === undefined ? true : allDay);
		}

		function unselect() { // safe to be called before renderView
			if (currentView) {
				currentView.unselect();
			}
		}

		/*
		 * Date
		 * -----------------------------------------------------------------------------
		 */

		function prev() {
			renderView(-1);
		}

		function next() {
			renderView(1);
		}

		function prevYear() {
			addYears(date, -1);
			renderView();
		}

		function nextYear() {
			addYears(date, 1);
			renderView();
		}

		function today() {
			date = new Date();
			renderView();
		}

		function gotoDate(year, month, dateOfMonth) {
			if (year instanceof Date) {
				date = cloneDate(year); // provided 1 argument, a Date
			} else {
				setYMD(date, year, month, dateOfMonth);
			}
			renderView();
		}

		function incrementDate(years, months, days) {
			if (years !== undefined) {
				addYears(date, years);
			}
			if (months !== undefined) {
				addMonths(date, months);
			}
			if (days !== undefined) {
				addDays(date, days);
			}
			renderView();
		}

		function getDate() {
			return cloneDate(date);
		}

		/*
		 * Misc
		 * -----------------------------------------------------------------------------
		 */

		function getView() {
			return currentView;
		}

		function option(name, value) {
			if (value === undefined) {
				return options[name];
			}
			if (name == 'height' || name == 'contentHeight' || name == 'aspectRatio') {
				options[name] = value;
				updateSize();
			}
		}

		function trigger(name, thisObj) {
			if (options[name]) {
				return options[name].apply(thisObj || _element, Array.prototype.slice.call(arguments, 2));
			}
		}

		/*
		 * External Dragging
		 * ------------------------------------------------------------------------
		 */

		if (options.droppable) {
			$(document).bind('dragstart', function(ev, ui) {
				var _e = ev.target;
				var e = $(_e);
				if (!e.parents('.fc').length) { // not already inside a calendar
					var accept = options.dropAccept;
					if ($.isFunction(accept) ? accept.call(_e, e) : e.is(accept)) {
						_dragElement = _e;
						currentView.dragStart(_dragElement, ev, ui);
					}
				}
			}).bind('dragstop', function(ev, ui) {
				if (_dragElement) {
					currentView.dragStop(_dragElement, ev, ui);
					_dragElement = null;
				}
			});
		}

	}

	function Header(calendar, options) {
		var t = this;

		// exports
		t.render = render;
		t.destroy = destroy;
		t.updateTitle = updateTitle;
		t.activateButton = activateButton;
		t.deactivateButton = deactivateButton;
		t.disableButton = disableButton;
		t.enableButton = enableButton;

		// locals
		var element = $([]);
		var tm;

		function render() {
			tm = options.theme ? 'ui' : 'fc';
			var sections = options.header;
			if (sections) {
				element = $("<table class='fc-header' style='width:100%'/>").append($("<tr/>").append(renderSection('left')).append(renderSection('center')).append(renderSection('right')));
				return element;
			}
		}

		function destroy() {
			element.remove();
		}

		function renderSection(position) {
			var e = $("<td class='fc-header-" + position + "'/>");
			var buttonStr = options.header[position];
			if (buttonStr) {
				$.each(buttonStr.split(' '), function(i) {
					if (i > 0) {
						e.append("<span class='fc-header-space'/>");
					}
					var prevButton;
					$.each(this.split(','), function(j, buttonName) {
						if (buttonName == 'title') {
							e.append("<span class='fc-header-title'><h2>&nbsp;</h2></span>");
							if (prevButton) {
								prevButton.addClass(tm + '-corner-right');
							}
							prevButton = null;
						} else {
							var buttonClick;
							if (calendar[buttonName]) {
								buttonClick = calendar[buttonName]; // calendar
																	// method
							} else if (fcViews[buttonName]) {
								buttonClick = function() {
									button.removeClass(tm + '-state-hover'); // forget
																				// why
									calendar.changeView(buttonName);
								};
							}
							if (buttonClick) {
								var icon = options.theme ? smartProperty(options.buttonIcons, buttonName) : null; // why
																													// are
																													// we
																													// using
																													// smartProperty
																													// here?
								var text = smartProperty(options.buttonText, buttonName); // why
																							// are
																							// we
																							// using
																							// smartProperty
																							// here?
								var button = $("<span class='fc-button fc-button-" + buttonName + " " + tm + "-state-default'>" + "<span class='fc-button-inner'>" + "<span class='fc-button-content'>" + (icon ? "<span class='fc-icon-wrap'>" + "<span class='ui-icon ui-icon-" + icon + "'/>" + "</span>" : text) + "</span>" + "<span class='fc-button-effect'><span></span></span>" + "</span>" + "</span>");
								if (button) {
									button.click(function() {
										if (!button.hasClass(tm + '-state-disabled')) {
											buttonClick();
										}
									}).mousedown(function() {
										button.not('.' + tm + '-state-active').not('.' + tm + '-state-disabled').addClass(tm + '-state-down');
									}).mouseup(function() {
										button.removeClass(tm + '-state-down');
									}).hover(function() {
										button.not('.' + tm + '-state-active').not('.' + tm + '-state-disabled').addClass(tm + '-state-hover');
									}, function() {
										button.removeClass(tm + '-state-hover').removeClass(tm + '-state-down');
									}).appendTo(e);
									if (!prevButton) {
										button.addClass(tm + '-corner-left');
									}
									prevButton = button;
								}
							}
						}
					});
					if (prevButton) {
						prevButton.addClass(tm + '-corner-right');
					}
				});
			}
			return e;
		}

		function updateTitle(html) {
			element.find('h2').html(html);
		}

		function activateButton(buttonName) {
			element.find('span.fc-button-' + buttonName).addClass(tm + '-state-active');
		}

		function deactivateButton(buttonName) {
			element.find('span.fc-button-' + buttonName).removeClass(tm + '-state-active');
		}

		function disableButton(buttonName) {
			element.find('span.fc-button-' + buttonName).addClass(tm + '-state-disabled');
		}

		function enableButton(buttonName) {
			element.find('span.fc-button-' + buttonName).removeClass(tm + '-state-disabled');
		}

	}

	fc.sourceNormalizers = [];
	fc.sourceFetchers = [];

	var ajaxDefaults = {
	    dataType : 'json',
	    cache : false
	};

	var eventGUID = 1;

	function EventManager(options, _sources) {
		var t = this;

		// exports
		t.isFetchNeeded = isFetchNeeded;
		t.fetchEvents = fetchEvents;
		t.addEventSource = addEventSource;
		t.removeEventSource = removeEventSource;
		t.updateEvent = updateEvent;
		t.renderEvent = renderEvent;
		t.removeEvents = removeEvents;
		t.clientEvents = clientEvents;
		t.normalizeEvent = normalizeEvent;

		// imports
		var trigger = t.trigger;
		var getView = t.getView;
		var reportEvents = t.reportEvents;

		// locals
		var stickySource = {
			events : []
		};
		var sources = [ stickySource ];
		var rangeStart, rangeEnd;
		var currentFetchID = 0;
		var pendingSourceCnt = 0;
		var loadingLevel = 0;
		var cache = [];

		for ( var i = 0; i < _sources.length; i++) {
			_addEventSource(_sources[i]);
		}

		/*
		 * Fetching
		 * -----------------------------------------------------------------------------
		 */

		function isFetchNeeded(start, end) {
			return !rangeStart || start < rangeStart || end > rangeEnd;
		}

		function fetchEvents(start, end) {
			rangeStart = start;
			rangeEnd = end;
			cache = [];
			var fetchID = ++currentFetchID;
			var len = sources.length;
			pendingSourceCnt = len;
			for ( var i = 0; i < len; i++) {
				fetchEventSource(sources[i], fetchID);
			}
		}

		function fetchEventSource(source, fetchID) {
			_fetchEventSource(source, function(events) {
				if (fetchID == currentFetchID) {
					if (events) {
						for ( var i = 0; i < events.length; i++) {
							events[i].source = source;
							normalizeEvent(events[i]);
						}
						cache = cache.concat(events);
					}
					pendingSourceCnt--;
					if (!pendingSourceCnt) {
						reportEvents(cache);
					}
				}
			});
		}

		function _fetchEventSource(source, callback) {
			var i;
			var fetchers = fc.sourceFetchers;
			var res;
			for (i = 0; i < fetchers.length; i++) {
				res = fetchers[i](source, rangeStart, rangeEnd, callback);
				if (res === true) {
					// the fetcher is in charge. made its own async request
					return;
				} else if (typeof res == 'object') {
					// the fetcher returned a new source. process it
					_fetchEventSource(res, callback);
					return;
				}
			}
			var events = source.events;
			if (events) {
				if ($.isFunction(events)) {
					pushLoading();
					events(cloneDate(rangeStart), cloneDate(rangeEnd), function(events) {
						callback(events);
						popLoading();
					});
				} else if ($.isArray(events)) {
					callback(events);
				} else {
					callback();
				}
			} else {
				var url = source.url;
				if (url) {
					var success = source.success;
					var error = source.error;
					var complete = source.complete;
					var data = $.extend({}, source.data || {});
					var startParam = firstDefined(source.startParam, options.startParam);
					var endParam = firstDefined(source.endParam, options.endParam);
					if (startParam) {
						data[startParam] = Math.round(+rangeStart / 1000);
					}
					if (endParam) {
						data[endParam] = Math.round(+rangeEnd / 1000);
					}
					pushLoading();
					$.ajax($.extend({}, ajaxDefaults, source, {
					    data : data,
					    success : function(events) {
						    events = events || [];
						    var res = applyAll(success, this, arguments);
						    if ($.isArray(res)) {
							    events = res;
						    }
						    callback(events);
					    },
					    error : function() {
						    applyAll(error, this, arguments);
						    callback();
					    },
					    complete : function() {
						    applyAll(complete, this, arguments);
						    popLoading();
					    }
					}));
				} else {
					callback();
				}
			}
		}

		/*
		 * Sources
		 * -----------------------------------------------------------------------------
		 */

		function addEventSource(source) {
			source = _addEventSource(source);
			if (source) {
				pendingSourceCnt++;
				fetchEventSource(source, currentFetchID); // will eventually
															// call reportEvents
			}
		}

		function _addEventSource(source) {
			if ($.isFunction(source) || $.isArray(source)) {
				source = {
					events : source
				};
			} else if (typeof source == 'string') {
				source = {
					url : source
				};
			}
			if (typeof source == 'object') {
				normalizeSource(source);
				sources.push(source);
				return source;
			}
		}

		function removeEventSource(source) {
			sources = $.grep(sources, function(src) {
				return !isSourcesEqual(src, source);
			});
			// remove all client events from that source
			cache = $.grep(cache, function(e) {
				return !isSourcesEqual(e.source, source);
			});
			reportEvents(cache);
		}

		/*
		 * Manipulation
		 * -----------------------------------------------------------------------------
		 */

		function updateEvent(event) { // update an existing event
			var i, len = cache.length, e, defaultEventEnd = getView().defaultEventEnd, // getView???
			startDelta = event.start - event._start, endDelta = event.end ? (event.end - (event._end || defaultEventEnd(event))) // event._end
																																	// would
																																	// be
																																	// null
																																	// if
																																	// event.end
			: 0; // was null and event was just resized
			for (i = 0; i < len; i++) {
				e = cache[i];
				if (e._id == event._id && e != event) {
					e.start = new Date(+e.start + startDelta);
					if (event.end) {
						if (e.end) {
							e.end = new Date(+e.end + endDelta);
						} else {
							e.end = new Date(+defaultEventEnd(e) + endDelta);
						}
					} else {
						e.end = null;
					}
					e.title = event.title;
					e.url = event.url;
					e.allDay = event.allDay;
					e.className = event.className;
					e.editable = event.editable;
					e.color = event.color;
					e.backgroudColor = event.backgroudColor;
					e.borderColor = event.borderColor;
					e.textColor = event.textColor;
					normalizeEvent(e);
				}
			}
			normalizeEvent(event);
			reportEvents(cache);
		}

		function renderEvent(event, stick) {
			normalizeEvent(event);
			if (!event.source) {
				if (stick) {
					stickySource.events.push(event);
					event.source = stickySource;
				}
				cache.push(event);
			}
			reportEvents(cache);
		}

		function removeEvents(filter) {
			if (!filter) { // remove all
				cache = [];
				// clear all array sources
				for ( var i = 0; i < sources.length; i++) {
					if ($.isArray(sources[i].events)) {
						sources[i].events = [];
					}
				}
			} else {
				if (!$.isFunction(filter)) { // an event ID
					var id = filter + '';
					filter = function(e) {
						return e._id == id;
					};
				}
				cache = $.grep(cache, filter, true);
				// remove events from array sources
				for ( var i = 0; i < sources.length; i++) {
					if ($.isArray(sources[i].events)) {
						sources[i].events = $.grep(sources[i].events, filter, true);
					}
				}
			}
			reportEvents(cache);
		}

		function clientEvents(filter) {
			if ($.isFunction(filter)) {
				return $.grep(cache, filter);
			} else if (filter) { // an event ID
				filter += '';
				return $.grep(cache, function(e) {
					return e._id == filter;
				});
			}
			return cache; // else, return all
		}

		/*
		 * Loading State
		 * -----------------------------------------------------------------------------
		 */

		function pushLoading() {
			if (!loadingLevel++) {
				trigger('loading', null, true);
			}
		}

		function popLoading() {
			if (!--loadingLevel) {
				trigger('loading', null, false);
			}
		}

		/*
		 * Event Normalization
		 * -----------------------------------------------------------------------------
		 */

		function normalizeEvent(event) {
			var source = event.source || {};
			var ignoreTimezone = firstDefined(source.ignoreTimezone, options.ignoreTimezone);
			event._id = event._id || (event.id === undefined ? '_fc' + eventGUID++ : event.id + '');
			if (event.date) {
				if (!event.start) {
					event.start = event.date;
				}
				delete event.date;
			}
			event._start = cloneDate(event.start = parseDate(event.start, ignoreTimezone));
			event.end = parseDate(event.end, ignoreTimezone);
			if (event.end && event.end <= event.start) {
				event.end = null;
			}
			event._end = event.end ? cloneDate(event.end) : null;
			if (event.allDay === undefined) {
				event.allDay = firstDefined(source.allDayDefault, options.allDayDefault);
			}
			if (event.className) {
				if (typeof event.className == 'string') {
					event.className = event.className.split(/\s+/);
				}
			} else {
				event.className = [];
			}
			// TODO: if there is no start date, return false to indicate an
			// invalid event
		}

		/*
		 * Utils
		 * ------------------------------------------------------------------------------
		 */

		function normalizeSource(source) {
			if (source.className) {
				// TODO: repeat code, same code for event classNames
				if (typeof source.className == 'string') {
					source.className = source.className.split(/\s+/);
				}
			} else {
				source.className = [];
			}
			var normalizers = fc.sourceNormalizers;
			for ( var i = 0; i < normalizers.length; i++) {
				normalizers[i](source);
			}
		}

		function isSourcesEqual(source1, source2) {
			return source1 && source2 && getSourcePrimitive(source1) == getSourcePrimitive(source2);
		}

		function getSourcePrimitive(source) {
			return ((typeof source == 'object') ? (source.events || source.url) : '') || source;
		}

	}

	fc.addDays = addDays;
	fc.cloneDate = cloneDate;
	fc.parseDate = parseDate;
	fc.parseISO8601 = parseISO8601;
	fc.parseTime = parseTime;
	fc.formatDate = formatDate;
	fc.formatDates = formatDates;

	/*
	 * Date Math
	 * -----------------------------------------------------------------------------
	 */

	var dayIDs = [ 'sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat' ], DAY_MS = 86400000, HOUR_MS = 3600000, MINUTE_MS = 60000;

	function addYears(d, n, keepTime) {
		d.setFullYear(d.getFullYear() + n);
		if (!keepTime) {
			clearTime(d);
		}
		return d;
	}

	function addMonths(d, n, keepTime) { // prevents day overflow/underflow
		if (+d) { // prevent infinite looping on invalid dates
			var m = d.getMonth() + n, check = cloneDate(d);
			check.setDate(1);
			check.setMonth(m);
			d.setMonth(m);
			if (!keepTime) {
				clearTime(d);
			}
			while (d.getMonth() != check.getMonth()) {
				d.setDate(d.getDate() + (d < check ? 1 : -1));
			}
		}
		return d;
	}

	function addDays(d, n, keepTime) { // deals with daylight savings
		if (+d) {
			var dd = d.getDate() + n, check = cloneDate(d);
			check.setHours(9); // set to middle of day
			check.setDate(dd);
			d.setDate(dd);
			if (!keepTime) {
				clearTime(d);
			}
			fixDate(d, check);
		}
		return d;
	}

	function fixDate(d, check) { // force d to be on check's YMD, for
									// daylight savings purposes
		if (+d) { // prevent infinite looping on invalid dates
			while (d.getDate() != check.getDate()) {
				d.setTime(+d + (d < check ? 1 : -1) * HOUR_MS);
			}
		}
	}

	function addMinutes(d, n) {
		d.setMinutes(d.getMinutes() + n);
		return d;
	}

	function clearTime(d) {
		d.setHours(0);
		d.setMinutes(0);
		d.setSeconds(0);
		d.setMilliseconds(0);
		return d;
	}

	function cloneDate(d, dontKeepTime) {
		if (dontKeepTime) {
			return clearTime(new Date(+d));
		}
		return new Date(+d);
	}

	function zeroDate() { // returns a Date with time 00:00:00 and
							// dateOfMonth=1
		var i = 0, d;
		do {
			d = new Date(1970, i++, 1);
		} while (d.getHours()); // != 0
		return d;
	}

	function skipWeekend(date, inc, excl) {
		inc = inc || 1;
		while (!date.getDay() || (excl && date.getDay() == 1 || !excl && date.getDay() == 6)) {
			addDays(date, inc);
		}
		return date;
	}

	function dayDiff(d1, d2) { // d1 - d2
		return Math.round((cloneDate(d1, true) - cloneDate(d2, true)) / DAY_MS);
	}

	function setYMD(date, y, m, d) {
		if (y !== undefined && y != date.getFullYear()) {
			date.setDate(1);
			date.setMonth(0);
			date.setFullYear(y);
		}
		if (m !== undefined && m != date.getMonth()) {
			date.setDate(1);
			date.setMonth(m);
		}
		if (d !== undefined) {
			date.setDate(d);
		}
	}

	/*
	 * Date Parsing
	 * -----------------------------------------------------------------------------
	 */

	function parseDate(s, ignoreTimezone) { // ignoreTimezone defaults to true
		if (typeof s == 'object') { // already a Date object
			return s;
		}
		if (typeof s == 'number') { // a UNIX timestamp
			return new Date(s * 1000);
		}
		if (typeof s == 'string') {
			if (s.match(/^\d+(\.\d+)?$/)) { // a UNIX timestamp
				return new Date(parseFloat(s) * 1000);
			}
			if (ignoreTimezone === undefined) {
				ignoreTimezone = true;
			}
			return parseISO8601(s, ignoreTimezone) || (s ? new Date(s) : null);
		}
		// TODO: never return invalid dates (like from new Date(<string>)),
		// return null instead
		return null;
	}

	function parseISO8601(s, ignoreTimezone) { // ignoreTimezone defaults to
												// false
		// derived from http://delete.me.uk/2005/03/iso8601.html
		// TODO: for a know glitch/feature, read
		// tests/issue_206_parseDate_dst.html
		var m = s.match(/^([0-9]{4})(-([0-9]{2})(-([0-9]{2})([T ]([0-9]{2}):([0-9]{2})(:([0-9]{2})(\.([0-9]+))?)?(Z|(([-+])([0-9]{2})(:?([0-9]{2}))?))?)?)?)?$/);
		if (!m) {
			return null;
		}
		var date = new Date(m[1], 0, 1);
		if (ignoreTimezone || !m[13]) {
			var check = new Date(m[1], 0, 1, 9, 0);
			if (m[3]) {
				date.setMonth(m[3] - 1);
				check.setMonth(m[3] - 1);
			}
			if (m[5]) {
				date.setDate(m[5]);
				check.setDate(m[5]);
			}
			fixDate(date, check);
			if (m[7]) {
				date.setHours(m[7]);
			}
			if (m[8]) {
				date.setMinutes(m[8]);
			}
			if (m[10]) {
				date.setSeconds(m[10]);
			}
			if (m[12]) {
				date.setMilliseconds(Number("0." + m[12]) * 1000);
			}
			fixDate(date, check);
		} else {
			date.setUTCFullYear(m[1], m[3] ? m[3] - 1 : 0, m[5] || 1);
			date.setUTCHours(m[7] || 0, m[8] || 0, m[10] || 0, m[12] ? Number("0." + m[12]) * 1000 : 0);
			if (m[14]) {
				var offset = Number(m[16]) * 60 + (m[18] ? Number(m[18]) : 0);
				offset *= m[15] == '-' ? 1 : -1;
				date = new Date(+date + (offset * 60 * 1000));
			}
		}
		return date;
	}

	function parseTime(s) { // returns minutes since start of day
		if (typeof s == 'number') { // an hour
			return s * 60;
		}
		if (typeof s == 'object') { // a Date object
			return s.getHours() * 60 + s.getMinutes();
		}
		var m = s.match(/(\d+)(?::(\d+))?\s*(\w+)?/);
		if (m) {
			var h = parseInt(m[1], 10);
			if (m[3]) {
				h %= 12;
				if (m[3].toLowerCase().charAt(0) == 'p') {
					h += 12;
				}
			}
			return h * 60 + (m[2] ? parseInt(m[2], 10) : 0);
		}
	}

	/*
	 * Date Formatting
	 * -----------------------------------------------------------------------------
	 */
	// TODO: use same function formatDate(date, [date2], format, [options])

	function formatDate(date, format, options) {
		return formatDates(date, null, format, options);
	}

	function formatDates(date1, date2, format, options) {
		options = options || defaults;
		var date = date1, otherDate = date2, i, len = format.length, c, i2, formatter, res = '';
		for (i = 0; i < len; i++) {
			c = format.charAt(i);
			if (c == "'") {
				for (i2 = i + 1; i2 < len; i2++) {
					if (format.charAt(i2) == "'") {
						if (date) {
							if (i2 == i + 1) {
								res += "'";
							} else {
								res += format.substring(i + 1, i2);
							}
							i = i2;
						}
						break;
					}
				}
			} else if (c == '(') {
				for (i2 = i + 1; i2 < len; i2++) {
					if (format.charAt(i2) == ')') {
						var subres = formatDate(date, format.substring(i + 1, i2), options);
						if (parseInt(subres.replace(/\D/, ''), 10)) {
							res += subres;
						}
						i = i2;
						break;
					}
				}
			} else if (c == '[') {
				for (i2 = i + 1; i2 < len; i2++) {
					if (format.charAt(i2) == ']') {
						var subformat = format.substring(i + 1, i2);
						var subres = formatDate(date, subformat, options);
						if (subres != formatDate(otherDate, subformat, options)) {
							res += subres;
						}
						i = i2;
						break;
					}
				}
			} else if (c == '{') {
				date = date2;
				otherDate = date1;
			} else if (c == '}') {
				date = date1;
				otherDate = date2;
			} else {
				for (i2 = len; i2 > i; i2--) {
					if (formatter = dateFormatters[format.substring(i, i2)]) {
						if (date) {
							res += formatter(date, options);
						}
						i = i2 - 1;
						break;
					}
				}
				if (i2 == i) {
					if (date) {
						res += c;
					}
				}
			}
		}
		return res;
	}
	;

	var dateFormatters = {
	    s : function(d) {
		    return d.getSeconds()
	    },
	    ss : function(d) {
		    return zeroPad(d.getSeconds())
	    },
	    m : function(d) {
		    return d.getMinutes()
	    },
	    mm : function(d) {
		    return zeroPad(d.getMinutes())
	    },
	    h : function(d) {
		    return d.getHours() % 12 || 12
	    },
	    hh : function(d) {
		    return zeroPad(d.getHours() % 12 || 12)
	    },
	    H : function(d) {
		    return d.getHours()
	    },
	    HH : function(d) {
		    return zeroPad(d.getHours())
	    },
	    d : function(d) {
		    return d.getDate()
	    },
	    dd : function(d) {
		    return zeroPad(d.getDate())
	    },
	    ddd : function(d, o) {
		    return o.dayNamesShort[d.getDay()]
	    },
	    dddd : function(d, o) {
		    return o.dayNames[d.getDay()]
	    },
	    M : function(d) {
		    return d.getMonth() + 1
	    },
	    MM : function(d) {
		    return zeroPad(d.getMonth() + 1)
	    },
	    MMM : function(d, o) {
		    return o.monthNamesShort[d.getMonth()]
	    },
	    MMMM : function(d, o) {
		    return o.monthNames[d.getMonth()]
	    },
	    yy : function(d) {
		    return (d.getFullYear() + '').substring(2)
	    },
	    yyyy : function(d) {
		    return d.getFullYear()
	    },
	    t : function(d) {
		    return d.getHours() < 12 ? 'a' : 'p'
	    },
	    tt : function(d) {
		    return d.getHours() < 12 ? 'am' : 'pm'
	    },
	    T : function(d) {
		    return d.getHours() < 12 ? 'A' : 'P'
	    },
	    TT : function(d) {
		    return d.getHours() < 12 ? 'AM' : 'PM'
	    },
	    u : function(d) {
		    return formatDate(d, "yyyy-MM-dd'T'HH:mm:ss'Z'")
	    },
	    S : function(d) {
		    var date = d.getDate();
		    if (date > 10 && date < 20) {
			    return 'th';
		    }
		    return [ 'st', 'nd', 'rd' ][date % 10 - 1] || 'th';
	    }
	};

	fc.applyAll = applyAll;

	/*
	 * Event Date Math
	 * -----------------------------------------------------------------------------
	 */

	function exclEndDay(event) {
		if (event.end) {
			return _exclEndDay(event.end, event.allDay);
		} else {
			return addDays(cloneDate(event.start), 1);
		}
	}

	function _exclEndDay(end, allDay) {
		end = cloneDate(end);
		return allDay || end.getHours() || end.getMinutes() ? addDays(end, 1) : clearTime(end);
	}

	function segCmp(a, b) {
		return (b.msLength - a.msLength) * 100 + (a.event.start - b.event.start);
	}

	function segsCollide(seg1, seg2) {
		return seg1.end > seg2.start && seg1.start < seg2.end;
	}

	/*
	 * Event Sorting
	 * -----------------------------------------------------------------------------
	 */

	// event rendering utilities
	function sliceSegs(events, visEventEnds, start, end) {
		var segs = [], i, len = events.length, event, eventStart, eventEnd, segStart, segEnd, isStart, isEnd;
		for (i = 0; i < len; i++) {
			event = events[i];
			eventStart = event.start;
			eventEnd = visEventEnds[i];
			if (eventEnd > start && eventStart < end) {
				if (eventStart < start) {
					segStart = cloneDate(start);
					isStart = false;
				} else {
					segStart = eventStart;
					isStart = true;
				}
				if (eventEnd > end) {
					segEnd = cloneDate(end);
					isEnd = false;
				} else {
					segEnd = eventEnd;
					isEnd = true;
				}
				segs.push({
				    event : event,
				    start : segStart,
				    end : segEnd,
				    isStart : isStart,
				    isEnd : isEnd,
				    msLength : segEnd - segStart
				});
			}
		}
		return segs.sort(segCmp);
	}

	// event rendering calculation utilities
	function stackSegs(segs) {
		var levels = [], i, len = segs.length, seg, j, collide, k;
		for (i = 0; i < len; i++) {
			seg = segs[i];
			j = 0; // the level index where seg should belong
			while (true) {
				collide = false;
				if (levels[j]) {
					for (k = 0; k < levels[j].length; k++) {
						if (segsCollide(levels[j][k], seg)) {
							collide = true;
							break;
						}
					}
				}
				if (collide) {
					j++;
				} else {
					break;
				}
			}
			if (levels[j]) {
				levels[j].push(seg);
			} else {
				levels[j] = [ seg ];
			}
		}
		return levels;
	}

	/*
	 * Event Element Binding
	 * -----------------------------------------------------------------------------
	 */

	function lazySegBind(container, segs, bindHandlers) {
		container.unbind('mouseover').mouseover(function(ev) {
			var parent = ev.target, e, i, seg;
			while (parent != this) {
				e = parent;
				parent = parent.parentNode;
			}
			if ((i = e._fci) !== undefined) {
				e._fci = undefined;
				seg = segs[i];
				bindHandlers(seg.event, seg.element, seg);
				$(ev.target).trigger(ev);
			}
			ev.stopPropagation();
		});
	}

	/*
	 * Element Dimensions
	 * -----------------------------------------------------------------------------
	 */

	function setOuterWidth(element, width, includeMargins) {
		for ( var i = 0, e; i < element.length; i++) {
			e = $(element[i]);
			e.width(Math.max(0, width - hsides(e, includeMargins)));
		}
	}

	function setOuterHeight(element, height, includeMargins) {
		for ( var i = 0, e; i < element.length; i++) {
			e = $(element[i]);
			e.height(Math.max(0, height - vsides(e, includeMargins)));
		}
	}

	function hsides(element, includeMargins) {
		return hpadding(element) + hborders(element) + (includeMargins ? hmargins(element) : 0);
	}

	function hpadding(element) {
		return (parseFloat($.css(element[0], 'paddingLeft', true)) || 0) + (parseFloat($.css(element[0], 'paddingRight', true)) || 0);
	}

	function hmargins(element) {
		return (parseFloat($.css(element[0], 'marginLeft', true)) || 0) + (parseFloat($.css(element[0], 'marginRight', true)) || 0);
	}

	function hborders(element) {
		return (parseFloat($.css(element[0], 'borderLeftWidth', true)) || 0) + (parseFloat($.css(element[0], 'borderRightWidth', true)) || 0);
	}

	function vsides(element, includeMargins) {
		return vpadding(element) + vborders(element) + (includeMargins ? vmargins(element) : 0);
	}

	function vpadding(element) {
		return (parseFloat($.css(element[0], 'paddingTop', true)) || 0) + (parseFloat($.css(element[0], 'paddingBottom', true)) || 0);
	}

	function vmargins(element) {
		return (parseFloat($.css(element[0], 'marginTop', true)) || 0) + (parseFloat($.css(element[0], 'marginBottom', true)) || 0);
	}

	function vborders(element) {
		return (parseFloat($.css(element[0], 'borderTopWidth', true)) || 0) + (parseFloat($.css(element[0], 'borderBottomWidth', true)) || 0);
	}

	function setMinHeight(element, height) {
		height = (typeof height == 'number' ? height + 'px' : height);
		element.each(function(i, _element) {
			_element.style.cssText += ';min-height:' + height + ';_height:' + height;
			// why can't we just use .css() ? i forget
		});
	}

	/*
	 * Misc Utils
	 * -----------------------------------------------------------------------------
	 */

	// TODO: arraySlice
	// TODO: isFunction, grep ?

	function noop() {
	}

	function cmp(a, b) {
		return a - b;
	}

	function arrayMax(a) {
		return Math.max.apply(Math, a);
	}

	function zeroPad(n) {
		return (n < 10 ? '0' : '') + n;
	}

	function smartProperty(obj, name) { // get a camel-cased/namespaced property
										// of an object
		if (obj[name] !== undefined) {
			return obj[name];
		}
		var parts = name.split(/(?=[A-Z])/), i = parts.length - 1, res;
		for (; i >= 0; i--) {
			res = obj[parts[i].toLowerCase()];
			if (res !== undefined) {
				return res;
			}
		}
		return obj[''];
	}

	function htmlEscape(s) {
		return s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/'/g, '&#039;').replace(/"/g, '&quot;').replace(/\n/g, '<br />');
	}

	function cssKey(_element) {
		return _element.id + '/' + _element.className + '/' + _element.style.cssText.replace(/(^|;)\s*(top|left|width|height)\s*:[^;]*/ig, '');
	}

	function disableTextSelection(element) {
		element.attr('unselectable', 'on').css('MozUserSelect', 'none').bind('selectstart.ui', function() {
			return false;
		});
	}

	/*
	 * function enableTextSelection(element) { element .attr('unselectable',
	 * 'off') .css('MozUserSelect', '') .unbind('selectstart.ui'); }
	 */

	function markFirstLast(e) {
		e.children().removeClass('fc-first fc-last').filter(':first-child').addClass('fc-first').end().filter(':last-child').addClass('fc-last');
	}

	function setDayID(cell, date) {
		cell.each(function(i, _cell) {
			_cell.className = _cell.className.replace(/^fc-\w*/, 'fc-' + dayIDs[date.getDay()]);
			// TODO: make a way that doesn't rely on order of classes
		});
	}

	function getSkinCss(event, opt) {
		var source = event.source || {};
		var eventColor = event.color;
		var sourceColor = source.color;
		var optionColor = opt('eventColor');
		var backgroundColor = event.backgroundColor || eventColor || source.backgroundColor || sourceColor || opt('eventBackgroundColor') || optionColor;
		var borderColor = event.borderColor || eventColor || source.borderColor || sourceColor || opt('eventBorderColor') || optionColor;
		var textColor = event.textColor || source.textColor || opt('eventTextColor');
		var statements = [];
		if (backgroundColor) {
			statements.push('background-color:' + backgroundColor);
		}
		if (borderColor) {
			statements.push('border-color:' + borderColor);
		}
		if (textColor) {
			statements.push('color:' + textColor);
		}
		return statements.join(';');
	}

	function applyAll(functions, thisObj, args) {
		if ($.isFunction(functions)) {
			functions = [ functions ];
		}
		if (functions) {
			var i;
			var ret;
			for (i = 0; i < functions.length; i++) {
				ret = functions[i].apply(thisObj, args) || ret;
			}
			return ret;
		}
	}

	function firstDefined() {
		for ( var i = 0; i < arguments.length; i++) {
			if (arguments[i] !== undefined) {
				return arguments[i];
			}
		}
	}

	fcViews.month = MonthView;

	function MonthView(element, calendar) {
		var t = this;

		// exports
		t.render = render;

		// imports
		BasicView.call(t, element, calendar, 'month');
		var opt = t.opt;
		var renderBasic = t.renderBasic;
		var formatDate = calendar.formatDate;

		function render(date, delta) {
			if (delta) {
				addMonths(date, delta);
				date.setDate(1);
			}
			var start = cloneDate(date, true);
			start.setDate(1);
			var end = addMonths(cloneDate(start), 1);
			var visStart = cloneDate(start);
			var visEnd = cloneDate(end);
			var firstDay = opt('firstDay');
			var nwe = opt('weekends') ? 0 : 1;
			if (nwe) {
				skipWeekend(visStart);
				skipWeekend(visEnd, -1, true);
			}
			addDays(visStart, -((visStart.getDay() - Math.max(firstDay, nwe) + 7) % 7));
			addDays(visEnd, (7 - visEnd.getDay() + Math.max(firstDay, nwe)) % 7);
			var rowCnt = Math.round((visEnd - visStart) / (DAY_MS * 7));
			if (opt('weekMode') == 'fixed') {
				addDays(visEnd, (6 - rowCnt) * 7);
				rowCnt = 6;
			}
			t.title = formatDate(start, opt('titleFormat'));
			t.start = start;
			t.end = end;
			t.visStart = visStart;
			t.visEnd = visEnd;
			renderBasic(6, rowCnt, nwe ? 5 : 7, true);
		}

	}

	fcViews.basicWeek = BasicWeekView;

	function BasicWeekView(element, calendar) {
		var t = this;

		// exports
		t.render = render;

		// imports
		BasicView.call(t, element, calendar, 'basicWeek');
		var opt = t.opt;
		var renderBasic = t.renderBasic;
		var formatDates = calendar.formatDates;

		function render(date, delta) {
			if (delta) {
				addDays(date, delta * 7);
			}
			var start = addDays(cloneDate(date), -((date.getDay() - opt('firstDay') + 7) % 7));
			var end = addDays(cloneDate(start), 7);
			var visStart = cloneDate(start);
			var visEnd = cloneDate(end);
			var weekends = opt('weekends');
			if (!weekends) {
				skipWeekend(visStart);
				skipWeekend(visEnd, -1, true);
			}
			t.title = formatDates(visStart, addDays(cloneDate(visEnd), -1), opt('titleFormat'));
			t.start = start;
			t.end = end;
			t.visStart = visStart;
			t.visEnd = visEnd;
			renderBasic(1, 1, weekends ? 7 : 5, false);
		}

	}

	fcViews.basicDay = BasicDayView;

	// TODO: when calendar's date starts out on a weekend, shouldn't happen

	function BasicDayView(element, calendar) {
		var t = this;

		// exports
		t.render = render;

		// imports
		BasicView.call(t, element, calendar, 'basicDay');
		var opt = t.opt;
		var renderBasic = t.renderBasic;
		var formatDate = calendar.formatDate;

		function render(date, delta) {
			if (delta) {
				addDays(date, delta);
				if (!opt('weekends')) {
					skipWeekend(date, delta < 0 ? -1 : 1);
				}
			}
			t.title = formatDate(date, opt('titleFormat'));
			t.start = t.visStart = cloneDate(date, true);
			t.end = t.visEnd = addDays(cloneDate(t.start), 1);
			renderBasic(1, 1, 1, false);
		}

	}

	setDefaults({
		weekMode : 'fixed'
	});

	function BasicView(element, calendar, viewName) {
		var t = this;

		// exports
		t.renderBasic = renderBasic;
		t.setHeight = setHeight;
		t.setWidth = setWidth;
		t.renderDayOverlay = renderDayOverlay;
		t.defaultSelectionEnd = defaultSelectionEnd;
		t.renderSelection = renderSelection;
		t.clearSelection = clearSelection;
		t.reportDayClick = reportDayClick; // for selection (kinda hacky)
		t.dragStart = dragStart;
		t.dragStop = dragStop;
		t.defaultEventEnd = defaultEventEnd;
		t.getHoverListener = function() {
			return hoverListener
		};
		t.colContentLeft = colContentLeft;
		t.colContentRight = colContentRight;
		t.dayOfWeekCol = dayOfWeekCol;
		t.dateCell = dateCell;
		t.cellDate = cellDate;
		t.cellIsAllDay = function() {
			return true
		};
		t.allDayRow = allDayRow;
		t.allDayBounds = allDayBounds;
		t.getRowCnt = function() {
			return rowCnt
		};
		t.getColCnt = function() {
			return colCnt
		};
		t.getColWidth = function() {
			return colWidth
		};
		t.getDaySegmentContainer = function() {
			return daySegmentContainer
		};

		// imports
		View.call(t, element, calendar, viewName);
		OverlayManager.call(t);
		SelectionManager.call(t);
		BasicEventRenderer.call(t);
		var opt = t.opt;
		var trigger = t.trigger;
		var clearEvents = t.clearEvents;
		var renderOverlay = t.renderOverlay;
		var clearOverlays = t.clearOverlays;
		var daySelectionMousedown = t.daySelectionMousedown;
		var formatDate = calendar.formatDate;

		// locals

		var head;
		var headCells;
		var body;
		var bodyRows;
		var bodyCells;
		var bodyFirstCells;
		var bodyCellTopInners;
		var daySegmentContainer;

		var viewWidth;
		var viewHeight;
		var colWidth;

		var rowCnt, colCnt;
		var coordinateGrid;
		var hoverListener;
		var colContentPositions;

		var rtl, dis, dit;
		var firstDay;
		var nwe;
		var tm;
		var colFormat;

		/*
		 * Rendering
		 * ------------------------------------------------------------
		 */

		disableTextSelection(element.addClass('fc-grid'));

		function renderBasic(maxr, r, c, showNumbers) {
			rowCnt = r;
			colCnt = c;
			updateOptions();
			var firstTime = !body;
			if (firstTime) {
				buildSkeleton(maxr, showNumbers);
			} else {
				clearEvents();
			}
			updateCells(firstTime);
		}

		function updateOptions() {
			rtl = opt('isRTL');
			if (rtl) {
				dis = -1;
				dit = colCnt - 1;
			} else {
				dis = 1;
				dit = 0;
			}
			firstDay = opt('firstDay');
			nwe = opt('weekends') ? 0 : 1;
			tm = opt('theme') ? 'ui' : 'fc';
			colFormat = opt('columnFormat');
		}

		function buildSkeleton(maxRowCnt, showNumbers) {
			var s;
			var headerClass = tm + "-widget-header";
			var contentClass = tm + "-widget-content";
			var i, j;
			var table;

			s = "<table class='fc-border-separate' style='width:100%' cellspacing='0'>" + "<thead>" + "<tr>";
			for (i = 0; i < colCnt; i++) {
				s += "<th class='fc- " + headerClass + "'/>"; // need fc- for
																// setDayID
			}
			s += "</tr>" + "</thead>" + "<tbody>";
			for (i = 0; i < maxRowCnt; i++) {
				s += "<tr class='fc-week" + i + "'>";
				for (j = 0; j < colCnt; j++) {
					s += "<td class='fc- " + contentClass + " fc-day" + (i * colCnt + j) + "'>" + // need
																									// fc-
																									// for
																									// setDayID
					"<div>" + (showNumbers ? "<div class='fc-day-number'/>" : '') + "<div class='fc-day-content'>" + "<div style='position:relative'>&nbsp;</div>" + "</div>" + "</div>" + "</td>";
				}
				s += "</tr>";
			}
			s += "</tbody>" + "</table>";
			table = $(s).appendTo(element);

			head = table.find('thead');
			headCells = head.find('th');
			body = table.find('tbody');
			bodyRows = body.find('tr');
			bodyCells = body.find('td');
			bodyFirstCells = bodyCells.filter(':first-child');
			bodyCellTopInners = bodyRows.eq(0).find('div.fc-day-content div');

			markFirstLast(head.add(head.find('tr'))); // marks first+last
														// tr/th's
			markFirstLast(bodyRows); // marks first+last td's
			bodyRows.eq(0).addClass('fc-first'); // fc-last is done in
													// updateCells

			dayBind(bodyCells);

			daySegmentContainer = $("<div style='position:absolute;z-index:8;top:0;left:0'/>").appendTo(element);
		}

		function updateCells(firstTime) {
			var dowDirty = firstTime || rowCnt == 1; // could the cells'
														// day-of-weeks need
														// updating?
			var month = t.start.getMonth();
			var today = clearTime(new Date());
			var cell;
			var date;
			var row;

			if (dowDirty) {
				headCells.each(function(i, _cell) {
					cell = $(_cell);
					date = indexDate(i);
					cell.html(formatDate(date, colFormat));
					setDayID(cell, date);
				});
			}

			bodyCells.each(function(i, _cell) {
				cell = $(_cell);
				date = indexDate(i);
				if (date.getMonth() == month) {
					cell.removeClass('fc-other-month');
				} else {
					cell.addClass('fc-other-month');
				}
				if (+date == +today) {
					cell.addClass(tm + '-state-highlight fc-today');
				} else {
					cell.removeClass(tm + '-state-highlight fc-today');
				}
				cell.find('div.fc-day-number').text(date.getDate());
				if (dowDirty) {
					setDayID(cell, date);
				}
			});

			bodyRows.each(function(i, _row) {
				row = $(_row);
				if (i < rowCnt) {
					row.show();
					if (i == rowCnt - 1) {
						row.addClass('fc-last');
					} else {
						row.removeClass('fc-last');
					}
				} else {
					row.hide();
				}
			});
		}

		function setHeight(height) {
			viewHeight = height;

			var bodyHeight = viewHeight - head.height();
			var rowHeight;
			var rowHeightLast;
			var cell;

			if (opt('weekMode') == 'variable') {
				rowHeight = rowHeightLast = Math.floor(bodyHeight / (rowCnt == 1 ? 2 : 6));
			} else {
				rowHeight = Math.floor(bodyHeight / rowCnt);
				rowHeightLast = bodyHeight - rowHeight * (rowCnt - 1);
			}

			bodyFirstCells.each(function(i, _cell) {
				if (i < rowCnt) {
					cell = $(_cell);
					setMinHeight(cell.find('> div'), (i == rowCnt - 1 ? rowHeightLast : rowHeight) - vsides(cell));
				}
			});

		}

		function setWidth(width) {
			viewWidth = width;
			colContentPositions.clear();
			colWidth = Math.floor(viewWidth / colCnt);
			setOuterWidth(headCells.slice(0, -1), colWidth);
		}

		/*
		 * Day clicking and binding
		 * -----------------------------------------------------------
		 */

		function dayBind(days) {
			days.click(dayClick).mousedown(daySelectionMousedown);
		}

		function dayClick(ev) {
			if (!opt('selectable')) { // if selectable, SelectionManager will
										// worry about dayClick
				var index = parseInt(this.className.match(/fc\-day(\d+)/)[1]); // TODO:
																				// maybe
																				// use
																				// .data
				var date = indexDate(index);
				trigger('dayClick', this, date, true, ev);
			}
		}

		/*
		 * Semi-transparent Overlay Helpers
		 * ------------------------------------------------------
		 */

		function renderDayOverlay(overlayStart, overlayEnd, refreshCoordinateGrid) { // overlayEnd
																						// is
																						// exclusive
			if (refreshCoordinateGrid) {
				coordinateGrid.build();
			}
			var rowStart = cloneDate(t.visStart);
			var rowEnd = addDays(cloneDate(rowStart), colCnt);
			for ( var i = 0; i < rowCnt; i++) {
				var stretchStart = new Date(Math.max(rowStart, overlayStart));
				var stretchEnd = new Date(Math.min(rowEnd, overlayEnd));
				if (stretchStart < stretchEnd) {
					var colStart, colEnd;
					if (rtl) {
						colStart = dayDiff(stretchEnd, rowStart) * dis + dit + 1;
						colEnd = dayDiff(stretchStart, rowStart) * dis + dit + 1;
					} else {
						colStart = dayDiff(stretchStart, rowStart);
						colEnd = dayDiff(stretchEnd, rowStart);
					}
					dayBind(renderCellOverlay(i, colStart, i, colEnd - 1));
				}
				addDays(rowStart, 7);
				addDays(rowEnd, 7);
			}
		}

		function renderCellOverlay(row0, col0, row1, col1) { // row1,col1 is
																// inclusive
			var rect = coordinateGrid.rect(row0, col0, row1, col1, element);
			return renderOverlay(rect, element);
		}

		/*
		 * Selection
		 * -----------------------------------------------------------------------
		 */

		function defaultSelectionEnd(startDate, allDay) {
			return cloneDate(startDate);
		}

		function renderSelection(startDate, endDate, allDay) {
			renderDayOverlay(startDate, addDays(cloneDate(endDate), 1), true); // rebuild
																				// every
																				// time???
		}

		function clearSelection() {
			clearOverlays();
		}

		function reportDayClick(date, allDay, ev) {
			var cell = dateCell(date);
			var _element = bodyCells[cell.row * colCnt + cell.col];
			trigger('dayClick', _element, date, allDay, ev);
		}

		/*
		 * External Dragging
		 * -----------------------------------------------------------------------
		 */

		function dragStart(_dragElement, ev, ui) {
			hoverListener.start(function(cell) {
				clearOverlays();
				if (cell) {
					renderCellOverlay(cell.row, cell.col, cell.row, cell.col);
				}
			}, ev);
		}

		function dragStop(_dragElement, ev, ui) {
			var cell = hoverListener.stop();
			clearOverlays();
			if (cell) {
				var d = cellDate(cell);
				trigger('drop', _dragElement, d, true, ev, ui);
			}
		}

		/*
		 * Utilities --------------------------------------------------------
		 */

		function defaultEventEnd(event) {
			return cloneDate(event.start);
		}

		coordinateGrid = new CoordinateGrid(function(rows, cols) {
			var e, n, p;
			headCells.each(function(i, _e) {
				e = $(_e);
				n = e.offset().left;
				if (i) {
					p[1] = n;
				}
				p = [ n ];
				cols[i] = p;
			});
			p[1] = n + e.outerWidth();
			bodyRows.each(function(i, _e) {
				if (i < rowCnt) {
					e = $(_e);
					n = e.offset().top;
					if (i) {
						p[1] = n;
					}
					p = [ n ];
					rows[i] = p;
				}
			});
			p[1] = n + e.outerHeight();
		});

		hoverListener = new HoverListener(coordinateGrid);

		colContentPositions = new HorizontalPositionCache(function(col) {
			return bodyCellTopInners.eq(col);
		});

		function colContentLeft(col) {
			return colContentPositions.left(col);
		}

		function colContentRight(col) {
			return colContentPositions.right(col);
		}

		function dateCell(date) {
			return {
			    row : Math.floor(dayDiff(date, t.visStart) / 7),
			    col : dayOfWeekCol(date.getDay())
			};
		}

		function cellDate(cell) {
			return _cellDate(cell.row, cell.col);
		}

		function _cellDate(row, col) {
			return addDays(cloneDate(t.visStart), row * 7 + col * dis + dit);
			// what about weekends in middle of week?
		}

		function indexDate(index) {
			return _cellDate(Math.floor(index / colCnt), index % colCnt);
		}

		function dayOfWeekCol(dayOfWeek) {
			return ((dayOfWeek - Math.max(firstDay, nwe) + colCnt) % colCnt) * dis + dit;
		}

		function allDayRow(i) {
			return bodyRows.eq(i);
		}

		function allDayBounds(i) {
			return {
			    left : 0,
			    right : viewWidth
			};
		}

	}

	function BasicEventRenderer() {
		var t = this;

		// exports
		t.renderEvents = renderEvents;
		t.compileDaySegs = compileSegs; // for DayEventRenderer
		t.clearEvents = clearEvents;
		t.bindDaySeg = bindDaySeg;

		// imports
		DayEventRenderer.call(t);
		var opt = t.opt;
		var trigger = t.trigger;
		// var setOverflowHidden = t.setOverflowHidden;
		var isEventDraggable = t.isEventDraggable;
		var isEventResizable = t.isEventResizable;
		var reportEvents = t.reportEvents;
		var reportEventClear = t.reportEventClear;
		var eventElementHandlers = t.eventElementHandlers;
		var showEvents = t.showEvents;
		var hideEvents = t.hideEvents;
		var eventDrop = t.eventDrop;
		var getDaySegmentContainer = t.getDaySegmentContainer;
		var getHoverListener = t.getHoverListener;
		var renderDayOverlay = t.renderDayOverlay;
		var clearOverlays = t.clearOverlays;
		var getRowCnt = t.getRowCnt;
		var getColCnt = t.getColCnt;
		var renderDaySegs = t.renderDaySegs;
		var resizableDayEvent = t.resizableDayEvent;

		/*
		 * Rendering
		 * --------------------------------------------------------------------
		 */

		function renderEvents(events, modifiedEventId) {
			reportEvents(events);
			renderDaySegs(compileSegs(events), modifiedEventId);
		}

		function clearEvents() {
			reportEventClear();
			getDaySegmentContainer().empty();
		}

		function compileSegs(events) {
			var rowCnt = getRowCnt(), colCnt = getColCnt(), d1 = cloneDate(t.visStart), d2 = addDays(cloneDate(d1), colCnt), visEventsEnds = $.map(events, exclEndDay), i, row, j, level, k, seg, segs = [];
			for (i = 0; i < rowCnt; i++) {
				row = stackSegs(sliceSegs(events, visEventsEnds, d1, d2));
				for (j = 0; j < row.length; j++) {
					level = row[j];
					for (k = 0; k < level.length; k++) {
						seg = level[k];
						seg.row = i;
						seg.level = j; // not needed anymore
						segs.push(seg);
					}
				}
				addDays(d1, 7);
				addDays(d2, 7);
			}
			return segs;
		}

		function bindDaySeg(event, eventElement, seg) {
			if (isEventDraggable(event)) {
				draggableDayEvent(event, eventElement);
			}
			if (seg.isEnd && isEventResizable(event)) {
				resizableDayEvent(event, eventElement, seg);
			}
			eventElementHandlers(event, eventElement);
			// needs to be after, because resizableDayEvent might
			// stopImmediatePropagation on click
		}

		/*
		 * Dragging
		 * ----------------------------------------------------------------------------
		 */

		function draggableDayEvent(event, eventElement) {
			var hoverListener = getHoverListener();
			var dayDelta;
			eventElement.draggable({
			    zIndex : 9,
			    delay : 50,
			    opacity : opt('dragOpacity'),
			    revertDuration : opt('dragRevertDuration'),
			    start : function(ev, ui) {
				    trigger('eventDragStart', eventElement, event, ev, ui);
				    hideEvents(event, eventElement);
				    hoverListener.start(function(cell, origCell, rowDelta, colDelta) {
					    eventElement.draggable('option', 'revert', !cell || !rowDelta && !colDelta);
					    clearOverlays();
					    if (cell) {
						    // setOverflowHidden(true);
						    dayDelta = rowDelta * 7 + colDelta * (opt('isRTL') ? -1 : 1);
						    renderDayOverlay(addDays(cloneDate(event.start), dayDelta), addDays(exclEndDay(event), dayDelta));
					    } else {
						    // setOverflowHidden(false);
						    dayDelta = 0;
					    }
				    }, ev, 'drag');
			    },
			    stop : function(ev, ui) {
				    hoverListener.stop();
				    clearOverlays();
				    trigger('eventDragStop', eventElement, event, ev, ui);
				    if (dayDelta) {
					    eventDrop(this, event, dayDelta, 0, event.allDay, ev, ui);
				    } else {
					    eventElement.css('filter', ''); // clear IE opacity
														// side-effects
					    showEvents(event, eventElement);
				    }
				    // setOverflowHidden(false);
			    }
			});
		}

	}

	fcViews.agendaWeek = AgendaWeekView;

	function AgendaWeekView(element, calendar) {
		var t = this;

		// exports
		t.render = render;

		// imports
		AgendaView.call(t, element, calendar, 'agendaWeek');
		var opt = t.opt;
		var renderAgenda = t.renderAgenda;
		var formatDates = calendar.formatDates;

		function render(date, delta) {
			if (delta) {
				addDays(date, delta * 7);
			}
			var start = addDays(cloneDate(date), -((date.getDay() - opt('firstDay') + 7) % 7));
			var end = addDays(cloneDate(start), 7);
			var visStart = cloneDate(start);
			var visEnd = cloneDate(end);
			var weekends = opt('weekends');
			if (!weekends) {
				skipWeekend(visStart);
				skipWeekend(visEnd, -1, true);
			}
			t.title = formatDates(visStart, addDays(cloneDate(visEnd), -1), opt('titleFormat'));
			t.start = start;
			t.end = end;
			t.visStart = visStart;
			t.visEnd = visEnd;
			renderAgenda(weekends ? 7 : 5);
		}

	}

	fcViews.agendaDay = AgendaDayView;

	function AgendaDayView(element, calendar) {
		var t = this;

		// exports
		t.render = render;

		// imports
		AgendaView.call(t, element, calendar, 'agendaDay');
		var opt = t.opt;
		var renderAgenda = t.renderAgenda;
		var formatDate = calendar.formatDate;

		function render(date, delta) {
			if (delta) {
				addDays(date, delta);
				if (!opt('weekends')) {
					skipWeekend(date, delta < 0 ? -1 : 1);
				}
			}
			var start = cloneDate(date, true);
			var end = addDays(cloneDate(start), 1);
			t.title = formatDate(date, opt('titleFormat'));
			t.start = t.visStart = start;
			t.end = t.visEnd = end;
			renderAgenda(1);
		}

	}

	setDefaults({
	    allDaySlot : true,
	    allDayText : 'all-day',
	    firstHour : 6,
	    slotMinutes : 30,
	    defaultEventMinutes : 120,
	    axisFormat : 'h(:mm)tt',
	    timeFormat : {
		    agenda : 'h:mm{ - h:mm}'
	    },
	    dragOpacity : {
		    agenda : .5
	    },
	    minTime : 0,
	    maxTime : 24
	});

	// TODO: make it work in quirks mode (event corners, all-day height)
	// TODO: test liquid width, especially in IE6

	function AgendaView(element, calendar, viewName) {
		var t = this;

		// exports
		t.renderAgenda = renderAgenda;
		t.setWidth = setWidth;
		t.setHeight = setHeight;
		t.beforeHide = beforeHide;
		t.afterShow = afterShow;
		t.defaultEventEnd = defaultEventEnd;
		t.timePosition = timePosition;
		t.dayOfWeekCol = dayOfWeekCol;
		t.dateCell = dateCell;
		t.cellDate = cellDate;
		t.cellIsAllDay = cellIsAllDay;
		t.allDayRow = getAllDayRow;
		t.allDayBounds = allDayBounds;
		t.getHoverListener = function() {
			return hoverListener
		};
		t.colContentLeft = colContentLeft;
		t.colContentRight = colContentRight;
		t.getDaySegmentContainer = function() {
			return daySegmentContainer
		};
		t.getSlotSegmentContainer = function() {
			return slotSegmentContainer
		};
		t.getMinMinute = function() {
			return minMinute
		};
		t.getMaxMinute = function() {
			return maxMinute
		};
		t.getBodyContent = function() {
			return slotContent
		}; // !!??
		t.getRowCnt = function() {
			return 1
		};
		t.getColCnt = function() {
			return colCnt
		};
		t.getColWidth = function() {
			return colWidth
		};
		t.getSlotHeight = function() {
			return slotHeight
		};
		t.defaultSelectionEnd = defaultSelectionEnd;
		t.renderDayOverlay = renderDayOverlay;
		t.renderSelection = renderSelection;
		t.clearSelection = clearSelection;
		t.reportDayClick = reportDayClick; // selection mousedown hack
		t.dragStart = dragStart;
		t.dragStop = dragStop;

		// imports
		View.call(t, element, calendar, viewName);
		OverlayManager.call(t);
		SelectionManager.call(t);
		AgendaEventRenderer.call(t);
		var opt = t.opt;
		var trigger = t.trigger;
		var clearEvents = t.clearEvents;
		var renderOverlay = t.renderOverlay;
		var clearOverlays = t.clearOverlays;
		var reportSelection = t.reportSelection;
		var unselect = t.unselect;
		var daySelectionMousedown = t.daySelectionMousedown;
		var slotSegHtml = t.slotSegHtml;
		var formatDate = calendar.formatDate;

		// locals

		var dayTable;
		var dayHead;
		var dayHeadCells;
		var dayBody;
		var dayBodyCells;
		var dayBodyCellInners;
		var dayBodyFirstCell;
		var dayBodyFirstCellStretcher;
		var slotLayer;
		var daySegmentContainer;
		var allDayTable;
		var allDayRow;
		var slotScroller;
		var slotContent;
		var slotSegmentContainer;
		var slotTable;
		var slotTableFirstInner;
		var axisFirstCells;
		var gutterCells;
		var selectionHelper;

		var viewWidth;
		var viewHeight;
		var axisWidth;
		var colWidth;
		var gutterWidth;
		var slotHeight; // TODO: what if slotHeight changes? (see issue 650)
		var savedScrollTop;

		var colCnt;
		var slotCnt;
		var coordinateGrid;
		var hoverListener;
		var colContentPositions;
		var slotTopCache = {};

		var tm;
		var firstDay;
		var nwe; // no weekends (int)
		var rtl, dis, dit; // day index sign / translate
		var minMinute, maxMinute;
		var colFormat;

		/*
		 * Rendering
		 * -----------------------------------------------------------------------------
		 */

		disableTextSelection(element.addClass('fc-agenda'));

		function renderAgenda(c) {
			colCnt = c;
			updateOptions();
			if (!dayTable) {
				buildSkeleton();
			} else {
				clearEvents();
			}
			updateCells();
		}

		function updateOptions() {
			tm = opt('theme') ? 'ui' : 'fc';
			nwe = opt('weekends') ? 0 : 1;
			firstDay = opt('firstDay');
			if (rtl = opt('isRTL')) {
				dis = -1;
				dit = colCnt - 1;
			} else {
				dis = 1;
				dit = 0;
			}
			minMinute = parseTime(opt('minTime'));
			maxMinute = parseTime(opt('maxTime'));
			colFormat = opt('columnFormat');
		}

		function buildSkeleton() {
			var headerClass = tm + "-widget-header";
			var contentClass = tm + "-widget-content";
			var s;
			var i;
			var d;
			var maxd;
			var minutes;
			var slotNormal = opt('slotMinutes') % 15 == 0;

			s = "<table style='width:100%' class='fc-agenda-days fc-border-separate' cellspacing='0'>" + "<thead>" + "<tr>" + "<th class='fc-agenda-axis " + headerClass + "'>&nbsp;</th>";
			for (i = 0; i < colCnt; i++) {
				s += "<th class='fc- fc-col" + i + ' ' + headerClass + "'/>"; // fc-
																				// needed
																				// for
																				// setDayID
			}
			s += "<th class='fc-agenda-gutter " + headerClass + "'>&nbsp;</th>" + "</tr>" + "</thead>" + "<tbody>" + "<tr>" + "<th class='fc-agenda-axis " + headerClass + "'>&nbsp;</th>";
			for (i = 0; i < colCnt; i++) {
				s += "<td class='fc- fc-col" + i + ' ' + contentClass + "'>" + // fc-
																				// needed
																				// for
																				// setDayID
				"<div>" + "<div class='fc-day-content'>" + "<div style='position:relative'>&nbsp;</div>" + "</div>" + "</div>" + "</td>";
			}
			s += "<td class='fc-agenda-gutter " + contentClass + "'>&nbsp;</td>" + "</tr>" + "</tbody>" + "</table>";
			dayTable = $(s).appendTo(element);
			dayHead = dayTable.find('thead');
			dayHeadCells = dayHead.find('th').slice(1, -1);
			dayBody = dayTable.find('tbody');
			dayBodyCells = dayBody.find('td').slice(0, -1);
			dayBodyCellInners = dayBodyCells.find('div.fc-day-content div');
			dayBodyFirstCell = dayBodyCells.eq(0);
			dayBodyFirstCellStretcher = dayBodyFirstCell.find('> div');

			markFirstLast(dayHead.add(dayHead.find('tr')));
			markFirstLast(dayBody.add(dayBody.find('tr')));

			axisFirstCells = dayHead.find('th:first');
			gutterCells = dayTable.find('.fc-agenda-gutter');

			slotLayer = $("<div style='position:absolute;z-index:2;left:0;width:100%'/>").appendTo(element);

			if (opt('allDaySlot')) {

				daySegmentContainer = $("<div style='position:absolute;z-index:8;top:0;left:0'/>").appendTo(slotLayer);

				s = "<table style='width:100%' class='fc-agenda-allday' cellspacing='0'>" + "<tr>" + "<th class='" + headerClass + " fc-agenda-axis'>" + opt('allDayText') + "</th>" + "<td>" + "<div class='fc-day-content'><div style='position:relative'/></div>" + "</td>" + "<th class='" + headerClass + " fc-agenda-gutter'>&nbsp;</th>" + "</tr>" + "</table>";
				allDayTable = $(s).appendTo(slotLayer);
				allDayRow = allDayTable.find('tr');

				dayBind(allDayRow.find('td'));

				axisFirstCells = axisFirstCells.add(allDayTable.find('th:first'));
				gutterCells = gutterCells.add(allDayTable.find('th.fc-agenda-gutter'));

				slotLayer.append("<div class='fc-agenda-divider " + headerClass + "'>" + "<div class='fc-agenda-divider-inner'/>" + "</div>");

			} else {

				daySegmentContainer = $([]); // in jQuery 1.4, we can just do
												// $()

			}

			slotScroller = $("<div style='position:absolute;width:100%;overflow-x:hidden;overflow-y:auto'/>").appendTo(slotLayer);

			slotContent = $("<div style='position:relative;width:100%;overflow:hidden'/>").appendTo(slotScroller);

			slotSegmentContainer = $("<div style='position:absolute;z-index:8;top:0;left:0'/>").appendTo(slotContent);

			s = "<table class='fc-agenda-slots' style='width:100%' cellspacing='0'>" + "<tbody>";
			d = zeroDate();
			maxd = addMinutes(cloneDate(d), maxMinute);
			addMinutes(d, minMinute);
			slotCnt = 0;
			for (i = 0; d < maxd; i++) {
				minutes = d.getMinutes();
				s += "<tr class='fc-slot" + i + ' ' + (!minutes ? '' : 'fc-minor') + "'>" + "<th class='fc-agenda-axis " + headerClass + "'>" + ((!slotNormal || !minutes) ? formatDate(d, opt('axisFormat')) : '&nbsp;') + "</th>" + "<td class='" + contentClass + "'>" + "<div style='position:relative'>&nbsp;</div>" + "</td>" + "</tr>";
				addMinutes(d, opt('slotMinutes'));
				slotCnt++;
			}
			s += "</tbody>" + "</table>";
			slotTable = $(s).appendTo(slotContent);
			slotTableFirstInner = slotTable.find('div:first');

			slotBind(slotTable.find('td'));

			axisFirstCells = axisFirstCells.add(slotTable.find('th:first'));
		}

		function updateCells() {
			var i;
			var headCell;
			var bodyCell;
			var date;
			var today = clearTime(new Date());
			for (i = 0; i < colCnt; i++) {
				date = colDate(i);
				headCell = dayHeadCells.eq(i);
				headCell.html(formatDate(date, colFormat));
				bodyCell = dayBodyCells.eq(i);
				if (+date == +today) {
					bodyCell.addClass(tm + '-state-highlight fc-today');
				} else {
					bodyCell.removeClass(tm + '-state-highlight fc-today');
				}
				setDayID(headCell.add(bodyCell), date);
			}
		}

		function setHeight(height, dateChanged) {
			if (height === undefined) {
				height = viewHeight;
			}
			viewHeight = height;
			slotTopCache = {};

			var headHeight = dayBody.position().top;
			var allDayHeight = slotScroller.position().top; // including divider
			var bodyHeight = Math.min( // total body height, including borders
			height - headHeight, // when scrollbars
			slotTable.height() + allDayHeight + 1 // when no scrollbars. +1
													// for bottom border
			);

			dayBodyFirstCellStretcher.height(bodyHeight - vsides(dayBodyFirstCell));

			slotLayer.css('top', headHeight);

			slotScroller.height(bodyHeight - allDayHeight - 1);

			slotHeight = slotTableFirstInner.height() + 1; // +1 for border

			if (dateChanged) {
				resetScroll();
			}
		}

		function setWidth(width) {
			viewWidth = width;
			colContentPositions.clear();

			axisWidth = 0;
			setOuterWidth(axisFirstCells.width('').each(function(i, _cell) {
				axisWidth = Math.max(axisWidth, $(_cell).outerWidth());
			}), axisWidth);

			var slotTableWidth = slotScroller[0].clientWidth; // needs to be
																// done after
																// axisWidth
																// (for IE7)
			// slotTable.width(slotTableWidth);

			gutterWidth = slotScroller.width() - slotTableWidth;
			if (gutterWidth) {
				setOuterWidth(gutterCells, gutterWidth);
				gutterCells.show().prev().removeClass('fc-last');
			} else {
				gutterCells.hide().prev().addClass('fc-last');
			}

			colWidth = Math.floor((slotTableWidth - axisWidth) / colCnt);
			setOuterWidth(dayHeadCells.slice(0, -1), colWidth);
		}

		function resetScroll() {
			var d0 = zeroDate();
			var scrollDate = cloneDate(d0);
			scrollDate.setHours(opt('firstHour'));
			var top = timePosition(d0, scrollDate) + 1; // +1 for the border
			function scroll() {
				slotScroller.scrollTop(top);
			}
			scroll();
			setTimeout(scroll, 0); // overrides any previous scroll state made
									// by the browser
		}

		function beforeHide() {
			savedScrollTop = slotScroller.scrollTop();
		}

		function afterShow() {
			slotScroller.scrollTop(savedScrollTop);
		}

		/*
		 * Slot/Day clicking and binding
		 * -----------------------------------------------------------------------
		 */

		function dayBind(cells) {
			cells.click(slotClick).mousedown(daySelectionMousedown);
		}

		function slotBind(cells) {
			cells.click(slotClick).mousedown(slotSelectionMousedown);
		}

		function slotClick(ev) {
			if (!opt('selectable')) { // if selectable, SelectionManager will
										// worry about dayClick
				var col = Math.min(colCnt - 1, Math.floor((ev.pageX - dayTable.offset().left - axisWidth) / colWidth));
				var date = colDate(col);
				var rowMatch = this.parentNode.className.match(/fc-slot(\d+)/); // TODO:
																				// maybe
																				// use
																				// data
				if (rowMatch) {
					var mins = parseInt(rowMatch[1]) * opt('slotMinutes');
					var hours = Math.floor(mins / 60);
					date.setHours(hours);
					date.setMinutes(mins % 60 + minMinute);
					trigger('dayClick', dayBodyCells[col], date, false, ev);
				} else {
					trigger('dayClick', dayBodyCells[col], date, true, ev);
				}
			}
		}

		/*
		 * Semi-transparent Overlay Helpers
		 * -----------------------------------------------------
		 */

		function renderDayOverlay(startDate, endDate, refreshCoordinateGrid) { // endDate
																				// is
																				// exclusive
			if (refreshCoordinateGrid) {
				coordinateGrid.build();
			}
			var visStart = cloneDate(t.visStart);
			var startCol, endCol;
			if (rtl) {
				startCol = dayDiff(endDate, visStart) * dis + dit + 1;
				endCol = dayDiff(startDate, visStart) * dis + dit + 1;
			} else {
				startCol = dayDiff(startDate, visStart);
				endCol = dayDiff(endDate, visStart);
			}
			startCol = Math.max(0, startCol);
			endCol = Math.min(colCnt, endCol);
			if (startCol < endCol) {
				dayBind(renderCellOverlay(0, startCol, 0, endCol - 1));
			}
		}

		function renderCellOverlay(row0, col0, row1, col1) { // only for
																// all-day?
			var rect = coordinateGrid.rect(row0, col0, row1, col1, slotLayer);
			return renderOverlay(rect, slotLayer);
		}

		function renderSlotOverlay(overlayStart, overlayEnd) {
			var dayStart = cloneDate(t.visStart);
			var dayEnd = addDays(cloneDate(dayStart), 1);
			for ( var i = 0; i < colCnt; i++) {
				var stretchStart = new Date(Math.max(dayStart, overlayStart));
				var stretchEnd = new Date(Math.min(dayEnd, overlayEnd));
				if (stretchStart < stretchEnd) {
					var col = i * dis + dit;
					var rect = coordinateGrid.rect(0, col, 0, col, slotContent); // only
																					// use
																					// it
																					// for
																					// horizontal
																					// coords
					var top = timePosition(dayStart, stretchStart);
					var bottom = timePosition(dayStart, stretchEnd);
					rect.top = top;
					rect.height = bottom - top;
					slotBind(renderOverlay(rect, slotContent));
				}
				addDays(dayStart, 1);
				addDays(dayEnd, 1);
			}
		}

		/*
		 * Coordinate Utilities
		 * -----------------------------------------------------------------------------
		 */

		coordinateGrid = new CoordinateGrid(function(rows, cols) {
			var e, n, p;
			dayHeadCells.each(function(i, _e) {
				e = $(_e);
				n = e.offset().left;
				if (i) {
					p[1] = n;
				}
				p = [ n ];
				cols[i] = p;
			});
			p[1] = n + e.outerWidth();
			if (opt('allDaySlot')) {
				e = allDayRow;
				n = e.offset().top;
				rows[0] = [ n, n + e.outerHeight() ];
			}
			var slotTableTop = slotContent.offset().top;
			var slotScrollerTop = slotScroller.offset().top;
			var slotScrollerBottom = slotScrollerTop + slotScroller.outerHeight();
			function constrain(n) {
				return Math.max(slotScrollerTop, Math.min(slotScrollerBottom, n));
			}
			for ( var i = 0; i < slotCnt; i++) {
				rows.push([ constrain(slotTableTop + slotHeight * i), constrain(slotTableTop + slotHeight * (i + 1)) ]);
			}
		});

		hoverListener = new HoverListener(coordinateGrid);

		colContentPositions = new HorizontalPositionCache(function(col) {
			return dayBodyCellInners.eq(col);
		});

		function colContentLeft(col) {
			return colContentPositions.left(col);
		}

		function colContentRight(col) {
			return colContentPositions.right(col);
		}

		function dateCell(date) { // "cell" terminology is now confusing
			return {
			    row : Math.floor(dayDiff(date, t.visStart) / 7),
			    col : dayOfWeekCol(date.getDay())
			};
		}

		function cellDate(cell) {
			var d = colDate(cell.col);
			var slotIndex = cell.row;
			if (opt('allDaySlot')) {
				slotIndex--;
			}
			if (slotIndex >= 0) {
				addMinutes(d, minMinute + slotIndex * opt('slotMinutes'));
			}
			return d;
		}

		function colDate(col) { // returns dates with 00:00:00
			return addDays(cloneDate(t.visStart), col * dis + dit);
		}

		function cellIsAllDay(cell) {
			return opt('allDaySlot') && !cell.row;
		}

		function dayOfWeekCol(dayOfWeek) {
			return ((dayOfWeek - Math.max(firstDay, nwe) + colCnt) % colCnt) * dis + dit;
		}

		// get the Y coordinate of the given time on the given day (both Date
		// objects)
		function timePosition(day, time) { // both date objects. day holds
											// 00:00 of current day
			day = cloneDate(day, true);
			if (time < addMinutes(cloneDate(day), minMinute)) {
				return 0;
			}
			if (time >= addMinutes(cloneDate(day), maxMinute)) {
				return slotTable.height();
			}
			var slotMinutes = opt('slotMinutes'), minutes = time.getHours() * 60 + time.getMinutes() - minMinute, slotI = Math.floor(minutes / slotMinutes), slotTop = slotTopCache[slotI];
			if (slotTop === undefined) {
				slotTop = slotTopCache[slotI] = slotTable.find('tr:eq(' + slotI + ') td div')[0].offsetTop; // .position().top;
																											// //
																											// need
																											// this
																											// optimization???
			}
			return Math.max(0, Math.round(slotTop - 1 + slotHeight * ((minutes % slotMinutes) / slotMinutes)));
		}

		function allDayBounds() {
			return {
			    left : axisWidth,
			    right : viewWidth - gutterWidth
			}
		}

		function getAllDayRow(index) {
			return allDayRow;
		}

		function defaultEventEnd(event) {
			var start = cloneDate(event.start);
			if (event.allDay) {
				return start;
			}
			return addMinutes(start, opt('defaultEventMinutes'));
		}

		/*
		 * Selection
		 * ---------------------------------------------------------------------------------
		 */

		function defaultSelectionEnd(startDate, allDay) {
			if (allDay) {
				return cloneDate(startDate);
			}
			return addMinutes(cloneDate(startDate), opt('slotMinutes'));
		}

		function renderSelection(startDate, endDate, allDay) { // only for
																// all-day
			if (allDay) {
				if (opt('allDaySlot')) {
					renderDayOverlay(startDate, addDays(cloneDate(endDate), 1), true);
				}
			} else {
				renderSlotSelection(startDate, endDate);
			}
		}

		function renderSlotSelection(startDate, endDate) {
			var helperOption = opt('selectHelper');
			coordinateGrid.build();
			if (helperOption) {
				var col = dayDiff(startDate, t.visStart) * dis + dit;
				if (col >= 0 && col < colCnt) { // only works when times are on
												// same day
					var rect = coordinateGrid.rect(0, col, 0, col, slotContent); // only
																					// for
																					// horizontal
																					// coords
					var top = timePosition(startDate, startDate);
					var bottom = timePosition(startDate, endDate);
					if (bottom > top) { // protect against selections that are
										// entirely before or after visible
										// range
						rect.top = top;
						rect.height = bottom - top;
						rect.left += 2;
						rect.width -= 5;
						if ($.isFunction(helperOption)) {
							var helperRes = helperOption(startDate, endDate);
							if (helperRes) {
								rect.position = 'absolute';
								rect.zIndex = 8;
								selectionHelper = $(helperRes).css(rect).appendTo(slotContent);
							}
						} else {
							rect.isStart = true; // conside rect a "seg" now
							rect.isEnd = true; //
							selectionHelper = $(slotSegHtml({
							    title : '',
							    start : startDate,
							    end : endDate,
							    className : [ 'fc-select-helper' ],
							    editable : false
							}, rect));
							selectionHelper.css('opacity', opt('dragOpacity'));
						}
						if (selectionHelper) {
							slotBind(selectionHelper);
							slotContent.append(selectionHelper);
							setOuterWidth(selectionHelper, rect.width, true); // needs
																				// to
																				// be
																				// after
																				// appended
							setOuterHeight(selectionHelper, rect.height, true);
						}
					}
				}
			} else {
				renderSlotOverlay(startDate, endDate);
			}
		}

		function clearSelection() {
			clearOverlays();
			if (selectionHelper) {
				selectionHelper.remove();
				selectionHelper = null;
			}
		}

		function slotSelectionMousedown(ev) {
			if (ev.which == 1 && opt('selectable')) { // ev.which==1 means
														// left mouse button
				unselect(ev);
				var dates;
				hoverListener.start(function(cell, origCell) {
					clearSelection();
					if (cell && cell.col == origCell.col && !cellIsAllDay(cell)) {
						var d1 = cellDate(origCell);
						var d2 = cellDate(cell);
						dates = [ d1, addMinutes(cloneDate(d1), opt('slotMinutes')), d2, addMinutes(cloneDate(d2), opt('slotMinutes')) ].sort(cmp);
						renderSlotSelection(dates[0], dates[3]);
					} else {
						dates = null;
					}
				}, ev);
				$(document).one('mouseup', function(ev) {
					hoverListener.stop();
					if (dates) {
						if (+dates[0] == +dates[1]) {
							reportDayClick(dates[0], false, ev);
						}
						reportSelection(dates[0], dates[3], false, ev);
					}
				});
			}
		}

		function reportDayClick(date, allDay, ev) {
			trigger('dayClick', dayBodyCells[dayOfWeekCol(date.getDay())], date, allDay, ev);
		}

		/*
		 * External Dragging
		 * --------------------------------------------------------------------------------
		 */

		function dragStart(_dragElement, ev, ui) {
			hoverListener.start(function(cell) {
				clearOverlays();
				if (cell) {
					if (cellIsAllDay(cell)) {
						renderCellOverlay(cell.row, cell.col, cell.row, cell.col);
					} else {
						var d1 = cellDate(cell);
						var d2 = addMinutes(cloneDate(d1), opt('defaultEventMinutes'));
						renderSlotOverlay(d1, d2);
					}
				}
			}, ev);
		}

		function dragStop(_dragElement, ev, ui) {
			var cell = hoverListener.stop();
			clearOverlays();
			if (cell) {
				trigger('drop', _dragElement, cellDate(cell), cellIsAllDay(cell), ev, ui);
			}
		}

	}

	function AgendaEventRenderer() {
		var t = this;

		// exports
		t.renderEvents = renderEvents;
		t.compileDaySegs = compileDaySegs; // for DayEventRenderer
		t.clearEvents = clearEvents;
		t.slotSegHtml = slotSegHtml;
		t.bindDaySeg = bindDaySeg;

		// imports
		DayEventRenderer.call(t);
		var opt = t.opt;
		var trigger = t.trigger;
		// var setOverflowHidden = t.setOverflowHidden;
		var isEventDraggable = t.isEventDraggable;
		var isEventResizable = t.isEventResizable;
		var eventEnd = t.eventEnd;
		var reportEvents = t.reportEvents;
		var reportEventClear = t.reportEventClear;
		var eventElementHandlers = t.eventElementHandlers;
		var setHeight = t.setHeight;
		var getDaySegmentContainer = t.getDaySegmentContainer;
		var getSlotSegmentContainer = t.getSlotSegmentContainer;
		var getHoverListener = t.getHoverListener;
		var getMaxMinute = t.getMaxMinute;
		var getMinMinute = t.getMinMinute;
		var timePosition = t.timePosition;
		var colContentLeft = t.colContentLeft;
		var colContentRight = t.colContentRight;
		var renderDaySegs = t.renderDaySegs;
		var resizableDayEvent = t.resizableDayEvent; // TODO: streamline
														// binding architecture
		var getColCnt = t.getColCnt;
		var getColWidth = t.getColWidth;
		var getSlotHeight = t.getSlotHeight;
		var getBodyContent = t.getBodyContent;
		var reportEventElement = t.reportEventElement;
		var showEvents = t.showEvents;
		var hideEvents = t.hideEvents;
		var eventDrop = t.eventDrop;
		var eventResize = t.eventResize;
		var renderDayOverlay = t.renderDayOverlay;
		var clearOverlays = t.clearOverlays;
		var calendar = t.calendar;
		var formatDate = calendar.formatDate;
		var formatDates = calendar.formatDates;

		/*
		 * Rendering
		 * ----------------------------------------------------------------------------
		 */

		function renderEvents(events, modifiedEventId) {
			reportEvents(events);
			var i, len = events.length, dayEvents = [], slotEvents = [];
			for (i = 0; i < len; i++) {
				if (events[i].allDay) {
					dayEvents.push(events[i]);
				} else {
					slotEvents.push(events[i]);
				}
			}
			if (opt('allDaySlot')) {
				renderDaySegs(compileDaySegs(dayEvents), modifiedEventId);
				setHeight(); // no params means set to viewHeight
			}
			renderSlotSegs(compileSlotSegs(slotEvents), modifiedEventId);
		}

		function clearEvents() {
			reportEventClear();
			getDaySegmentContainer().empty();
			getSlotSegmentContainer().empty();
		}

		function compileDaySegs(events) {
			var levels = stackSegs(sliceSegs(events, $.map(events, exclEndDay), t.visStart, t.visEnd)), i, levelCnt = levels.length, level, j, seg, segs = [];
			for (i = 0; i < levelCnt; i++) {
				level = levels[i];
				for (j = 0; j < level.length; j++) {
					seg = level[j];
					seg.row = 0;
					seg.level = i; // not needed anymore
					segs.push(seg);
				}
			}
			return segs;
		}

		function compileSlotSegs(events) {
			var colCnt = getColCnt(), minMinute = getMinMinute(), maxMinute = getMaxMinute(), d = addMinutes(cloneDate(t.visStart), minMinute), visEventEnds = $.map(events, slotEventEnd), i, col, j, level, k, seg, segs = [];
			for (i = 0; i < colCnt; i++) {
				col = stackSegs(sliceSegs(events, visEventEnds, d, addMinutes(cloneDate(d), maxMinute - minMinute)));
				countForwardSegs(col);
				for (j = 0; j < col.length; j++) {
					level = col[j];
					for (k = 0; k < level.length; k++) {
						seg = level[k];
						seg.col = i;
						seg.level = j;
						segs.push(seg);
					}
				}
				addDays(d, 1, true);
			}
			return segs;
		}

		function slotEventEnd(event) {
			if (event.end) {
				return cloneDate(event.end);
			} else {
				return addMinutes(cloneDate(event.start), opt('defaultEventMinutes'));
			}
		}

		// renders events in the 'time slots' at the bottom

		function renderSlotSegs(segs, modifiedEventId) {

			var i, segCnt = segs.length, seg, event, classes, top, bottom, colI, levelI, forward, leftmost, availWidth, outerWidth, left, html = '', eventElements, eventElement, triggerRes, vsideCache = {}, hsideCache = {}, key, val, contentElement, height, slotSegmentContainer = getSlotSegmentContainer(), rtl, dis, dit, colCnt = getColCnt();

			if (rtl = opt('isRTL')) {
				dis = -1;
				dit = colCnt - 1;
			} else {
				dis = 1;
				dit = 0;
			}

			// calculate position/dimensions, create html
			for (i = 0; i < segCnt; i++) {
				seg = segs[i];
				event = seg.event;
				top = timePosition(seg.start, seg.start);
				bottom = timePosition(seg.start, seg.end);
				colI = seg.col;
				levelI = seg.level;
				forward = seg.forward || 0;
				leftmost = colContentLeft(colI * dis + dit);
				availWidth = colContentRight(colI * dis + dit) - leftmost;
				availWidth = Math.min(availWidth - 6, availWidth * .95); // TODO:
																			// move
																			// this
																			// to
																			// CSS
				if (levelI) {
					// indented and thin
					outerWidth = availWidth / (levelI + forward + 1);
				} else {
					if (forward) {
						// moderately wide, aligned left still
						outerWidth = ((availWidth / (forward + 1)) - (12 / 2)) * 2; // 12
																					// is
																					// the
																					// predicted
																					// width
																					// of
																					// resizer
																					// =
					} else {
						// can be entire width, aligned left
						outerWidth = availWidth;
					}
				}
				left = leftmost + // leftmost possible
				(availWidth / (levelI + forward + 1) * levelI) // indentation
				        * dis + (rtl ? availWidth - outerWidth : 0); // rtl
				seg.top = top;
				seg.left = left;
				seg.outerWidth = outerWidth;
				seg.outerHeight = bottom - top;
				html += slotSegHtml(event, seg);
			}
			slotSegmentContainer[0].innerHTML = html; // faster than html()
			eventElements = slotSegmentContainer.children();

			// retrieve elements, run through eventRender callback, bind event
			// handlers
			for (i = 0; i < segCnt; i++) {
				seg = segs[i];
				event = seg.event;
				eventElement = $(eventElements[i]); // faster than eq()
				triggerRes = trigger('eventRender', event, event, eventElement);
				if (triggerRes === false) {
					eventElement.remove();
				} else {
					if (triggerRes && triggerRes !== true) {
						eventElement.remove();
						eventElement = $(triggerRes).css({
						    position : 'absolute',
						    top : seg.top,
						    left : seg.left
						}).appendTo(slotSegmentContainer);
					}
					seg.element = eventElement;
					if (event._id === modifiedEventId) {
						bindSlotSeg(event, eventElement, seg);
					} else {
						eventElement[0]._fci = i; // for lazySegBind
					}
					reportEventElement(event, eventElement);
				}
			}

			lazySegBind(slotSegmentContainer, segs, bindSlotSeg);

			// record event sides and title positions
			for (i = 0; i < segCnt; i++) {
				seg = segs[i];
				if (eventElement = seg.element) {
					val = vsideCache[key = seg.key = cssKey(eventElement[0])];
					seg.vsides = val === undefined ? (vsideCache[key] = vsides(eventElement, true)) : val;
					val = hsideCache[key];
					seg.hsides = val === undefined ? (hsideCache[key] = hsides(eventElement, true)) : val;
					contentElement = eventElement.find('div.fc-event-content');
					if (contentElement.length) {
						seg.contentTop = contentElement[0].offsetTop;
					}
				}
			}

			// set all positions/dimensions at once
			for (i = 0; i < segCnt; i++) {
				seg = segs[i];
				if (eventElement = seg.element) {
					eventElement[0].style.width = Math.max(0, seg.outerWidth - seg.hsides) + 'px';
					height = Math.max(0, seg.outerHeight - seg.vsides);
					eventElement[0].style.height = height + 'px';
					event = seg.event;
					if (seg.contentTop !== undefined && height - seg.contentTop < 10) {
						// not enough room for title, put it in the time header
						eventElement.find('div.fc-event-time').text(formatDate(event.start, opt('timeFormat')) + ' - ' + event.title);
						eventElement.find('div.fc-event-title').remove();
					}
					trigger('eventAfterRender', event, event, eventElement);
				}
			}

		}

		function slotSegHtml(event, seg) {
			var html = "<";
			var url = event.url;
			var skinCss = getSkinCss(event, opt);
			var skinCssAttr = (skinCss ? " style='" + skinCss + "'" : '');
			var classes = [ 'fc-event', 'fc-event-skin', 'fc-event-vert' ];
			if (isEventDraggable(event)) {
				classes.push('fc-event-draggable');
			}
			if (seg.isStart) {
				classes.push('fc-corner-top');
			}
			if (seg.isEnd) {
				classes.push('fc-corner-bottom');
			}
			classes = classes.concat(event.className);
			if (event.source) {
				classes = classes.concat(event.source.className || []);
			}
			if (url) {
				html += "a href='" + htmlEscape(event.url) + "'";
			} else {
				html += "div";
			}
			html += " class='" + classes.join(' ') + "'" + " style='position:absolute;z-index:8;top:" + seg.top + "px;left:" + seg.left + "px;" + skinCss + "'" + ">" + "<div class='fc-event-inner fc-event-skin'" + skinCssAttr + ">" + "<div class='fc-event-head fc-event-skin'" + skinCssAttr + ">" + "<div class='fc-event-time'>" + htmlEscape(formatDates(event.start, event.end, opt('timeFormat'))) + "</div>" + "</div>" + "<div class='fc-event-content'>" + "<div class='fc-event-title'>"
			        + htmlEscape(event.title) + "</div>" + "</div>" + "<div class='fc-event-bg'></div>" + "</div>"; // close
																													// inner
			if (seg.isEnd && isEventResizable(event)) {
				html += "<div class='ui-resizable-handle ui-resizable-s'>=</div>";
			}
			html += "</" + (url ? "a" : "div") + ">";
			return html;
		}

		function bindDaySeg(event, eventElement, seg) {
			if (isEventDraggable(event)) {
				draggableDayEvent(event, eventElement, seg.isStart);
			}
			if (seg.isEnd && isEventResizable(event)) {
				resizableDayEvent(event, eventElement, seg);
			}
			eventElementHandlers(event, eventElement);
			// needs to be after, because resizableDayEvent might
			// stopImmediatePropagation on click
		}

		function bindSlotSeg(event, eventElement, seg) {
			var timeElement = eventElement.find('div.fc-event-time');
			if (isEventDraggable(event)) {
				draggableSlotEvent(event, eventElement, timeElement);
			}
			if (seg.isEnd && isEventResizable(event)) {
				resizableSlotEvent(event, eventElement, timeElement);
			}
			eventElementHandlers(event, eventElement);
		}

		/*
		 * Dragging
		 * -----------------------------------------------------------------------------------
		 */

		// when event starts out FULL-DAY
		function draggableDayEvent(event, eventElement, isStart) {
			var origWidth;
			var revert;
			var allDay = true;
			var dayDelta;
			var dis = opt('isRTL') ? -1 : 1;
			var hoverListener = getHoverListener();
			var colWidth = getColWidth();
			var slotHeight = getSlotHeight();
			var minMinute = getMinMinute();
			eventElement.draggable({
			    zIndex : 9,
			    opacity : opt('dragOpacity', 'month'), // use whatever the
														// month view was using
			    revertDuration : opt('dragRevertDuration'),
			    start : function(ev, ui) {
				    trigger('eventDragStart', eventElement, event, ev, ui);
				    hideEvents(event, eventElement);
				    origWidth = eventElement.width();
				    hoverListener.start(function(cell, origCell, rowDelta, colDelta) {
					    clearOverlays();
					    if (cell) {
						    // setOverflowHidden(true);
						    revert = false;
						    dayDelta = colDelta * dis;
						    if (!cell.row) {
							    // on full-days
							    renderDayOverlay(addDays(cloneDate(event.start), dayDelta), addDays(exclEndDay(event), dayDelta));
							    resetElement();
						    } else {
							    // mouse is over bottom slots
							    if (isStart) {
								    if (allDay) {
									    // convert event to temporary slot-event
									    eventElement.width(colWidth - 10); // don't
																			// use
																			// entire
																			// width
									    setOuterHeight(eventElement, slotHeight * Math.round((event.end ? ((event.end - event.start) / MINUTE_MS) : opt('defaultEventMinutes')) / opt('slotMinutes')));
									    eventElement.draggable('option', 'grid', [ colWidth, 1 ]);
									    allDay = false;
								    }
							    } else {
								    revert = true;
							    }
						    }
						    revert = revert || (allDay && !dayDelta);
					    } else {
						    resetElement();
						    // setOverflowHidden(false);
						    revert = true;
					    }
					    eventElement.draggable('option', 'revert', revert);
				    }, ev, 'drag');
			    },
			    stop : function(ev, ui) {
				    hoverListener.stop();
				    clearOverlays();
				    trigger('eventDragStop', eventElement, event, ev, ui);
				    if (revert) {
					    // hasn't moved or is out of bounds (draggable has
						// already reverted)
					    resetElement();
					    eventElement.css('filter', ''); // clear IE opacity
														// side-effects
					    showEvents(event, eventElement);
				    } else {
					    // changed!
					    var minuteDelta = 0;
					    if (!allDay) {
						    minuteDelta = Math.round((eventElement.offset().top - getBodyContent().offset().top) / slotHeight) * opt('slotMinutes') + minMinute - (event.start.getHours() * 60 + event.start.getMinutes());
					    }
					    eventDrop(this, event, dayDelta, minuteDelta, allDay, ev, ui);
				    }
				    // setOverflowHidden(false);
			    }
			});
			function resetElement() {
				if (!allDay) {
					eventElement.width(origWidth).height('').draggable('option', 'grid', null);
					allDay = true;
				}
			}
		}

		// when event starts out IN TIMESLOTS

		function draggableSlotEvent(event, eventElement, timeElement) {
			var origPosition;
			var allDay = false;
			var dayDelta;
			var minuteDelta;
			var prevMinuteDelta;
			var dis = opt('isRTL') ? -1 : 1;
			var hoverListener = getHoverListener();
			var colCnt = getColCnt();
			var colWidth = getColWidth();
			var slotHeight = getSlotHeight();
			eventElement.draggable({
			    zIndex : 9,
			    scroll : false,
			    grid : [ colWidth, slotHeight ],
			    axis : colCnt == 1 ? 'y' : false,
			    opacity : opt('dragOpacity'),
			    revertDuration : opt('dragRevertDuration'),
			    start : function(ev, ui) {
				    trigger('eventDragStart', eventElement, event, ev, ui);
				    hideEvents(event, eventElement);
				    origPosition = eventElement.position();
				    minuteDelta = prevMinuteDelta = 0;
				    hoverListener.start(function(cell, origCell, rowDelta, colDelta) {
					    eventElement.draggable('option', 'revert', !cell);
					    clearOverlays();
					    if (cell) {
						    dayDelta = colDelta * dis;
						    if (opt('allDaySlot') && !cell.row) {
							    // over full days
							    if (!allDay) {
								    // convert to temporary all-day event
								    allDay = true;
								    timeElement.hide();
								    eventElement.draggable('option', 'grid', null);
							    }
							    renderDayOverlay(addDays(cloneDate(event.start), dayDelta), addDays(exclEndDay(event), dayDelta));
						    } else {
							    // on slots
							    resetElement();
						    }
					    }
				    }, ev, 'drag');
			    },
			    drag : function(ev, ui) {
				    minuteDelta = Math.round((ui.position.top - origPosition.top) / slotHeight) * opt('slotMinutes');
				    if (minuteDelta != prevMinuteDelta) {
					    if (!allDay) {
						    updateTimeText(minuteDelta);
					    }
					    prevMinuteDelta = minuteDelta;
				    }
			    },
			    stop : function(ev, ui) {
				    var cell = hoverListener.stop();
				    clearOverlays();
				    trigger('eventDragStop', eventElement, event, ev, ui);
				    if (cell && (dayDelta || minuteDelta || allDay)) {
					    // changed!
					    eventDrop(this, event, dayDelta, allDay ? 0 : minuteDelta, allDay, ev, ui);
				    } else {
					    // either no change or out-of-bounds (draggable has
						// already reverted)
					    resetElement();
					    eventElement.css('filter', ''); // clear IE opacity
														// side-effects
					    eventElement.css(origPosition); // sometimes fast drags
														// make event revert to
														// wrong position
					    updateTimeText(0);
					    showEvents(event, eventElement);
				    }
			    }
			});
			function updateTimeText(minuteDelta) {
				var newStart = addMinutes(cloneDate(event.start), minuteDelta);
				var newEnd;
				if (event.end) {
					newEnd = addMinutes(cloneDate(event.end), minuteDelta);
				}
				timeElement.text(formatDates(newStart, newEnd, opt('timeFormat')));
			}
			function resetElement() {
				// convert back to original slot-event
				if (allDay) {
					timeElement.css('display', ''); // show() was causing
													// display=inline
					eventElement.draggable('option', 'grid', [ colWidth, slotHeight ]);
					allDay = false;
				}
			}
		}

		/*
		 * Resizing
		 * --------------------------------------------------------------------------------------
		 */

		function resizableSlotEvent(event, eventElement, timeElement) {
			var slotDelta, prevSlotDelta;
			var slotHeight = getSlotHeight();
			eventElement.resizable({
			    handles : {
				    s : 'div.ui-resizable-s'
			    },
			    grid : slotHeight,
			    start : function(ev, ui) {
				    slotDelta = prevSlotDelta = 0;
				    hideEvents(event, eventElement);
				    eventElement.css('z-index', 9);
				    trigger('eventResizeStart', this, event, ev, ui);
			    },
			    resize : function(ev, ui) {
				    // don't rely on ui.size.height, doesn't take grid into
					// account
				    slotDelta = Math.round((Math.max(slotHeight, eventElement.height()) - ui.originalSize.height) / slotHeight);
				    if (slotDelta != prevSlotDelta) {
					    timeElement.text(formatDates(event.start, (!slotDelta && !event.end) ? null : // no
																										// change,
																										// so
																										// don't
																										// display
																										// time
																										// range
					    addMinutes(eventEnd(event), opt('slotMinutes') * slotDelta), opt('timeFormat')));
					    prevSlotDelta = slotDelta;
				    }
			    },
			    stop : function(ev, ui) {
				    trigger('eventResizeStop', this, event, ev, ui);
				    if (slotDelta) {
					    eventResize(this, event, 0, opt('slotMinutes') * slotDelta, ev, ui);
				    } else {
					    eventElement.css('z-index', 8);
					    showEvents(event, eventElement);
					    // BUG: if event was really short, need to put title
						// back in span
				    }
			    }
			});
		}

	}

	function countForwardSegs(levels) {
		var i, j, k, level, segForward, segBack;
		for (i = levels.length - 1; i > 0; i--) {
			level = levels[i];
			for (j = 0; j < level.length; j++) {
				segForward = level[j];
				for (k = 0; k < levels[i - 1].length; k++) {
					segBack = levels[i - 1][k];
					if (segsCollide(segForward, segBack)) {
						segBack.forward = Math.max(segBack.forward || 0, (segForward.forward || 0) + 1);
					}
				}
			}
		}
	}

	function View(element, calendar, viewName) {
		var t = this;

		// exports
		t.element = element;
		t.calendar = calendar;
		t.name = viewName;
		t.opt = opt;
		t.trigger = trigger;
		// t.setOverflowHidden = setOverflowHidden;
		t.isEventDraggable = isEventDraggable;
		t.isEventResizable = isEventResizable;
		t.reportEvents = reportEvents;
		t.eventEnd = eventEnd;
		t.reportEventElement = reportEventElement;
		t.reportEventClear = reportEventClear;
		t.eventElementHandlers = eventElementHandlers;
		t.showEvents = showEvents;
		t.hideEvents = hideEvents;
		t.eventDrop = eventDrop;
		t.eventResize = eventResize;
		// t.title
		// t.start, t.end
		// t.visStart, t.visEnd

		// imports
		var defaultEventEnd = t.defaultEventEnd;
		var normalizeEvent = calendar.normalizeEvent; // in EventManager
		var reportEventChange = calendar.reportEventChange;

		// locals
		var eventsByID = {};
		var eventElements = [];
		var eventElementsByID = {};
		var options = calendar.options;

		function opt(name, viewNameOverride) {
			var v = options[name];
			if (typeof v == 'object') {
				return smartProperty(v, viewNameOverride || viewName);
			}
			return v;
		}

		function trigger(name, thisObj) {
			return calendar.trigger.apply(calendar, [ name, thisObj || t ].concat(Array.prototype.slice.call(arguments, 2), [ t ]));
		}

		/*
		 * function setOverflowHidden(bool) { element.css('overflow', bool ?
		 * 'hidden' : ''); }
		 */

		function isEventDraggable(event) {
			return isEventEditable(event) && !opt('disableDragging');
		}

		function isEventResizable(event) { // but also need to make sure the
											// seg.isEnd == true
			return isEventEditable(event) && !opt('disableResizing');
		}

		function isEventEditable(event) {
			return firstDefined(event.editable, (event.source || {}).editable, opt('editable'));
		}

		/*
		 * Event Data
		 * ------------------------------------------------------------------------------
		 */

		// report when view receives new events
		function reportEvents(events) { // events are already normalized at this
										// point
			eventsByID = {};
			var i, len = events.length, event;
			for (i = 0; i < len; i++) {
				event = events[i];
				if (eventsByID[event._id]) {
					eventsByID[event._id].push(event);
				} else {
					eventsByID[event._id] = [ event ];
				}
			}
		}

		// returns a Date object for an event's end
		function eventEnd(event) {
			return event.end ? cloneDate(event.end) : defaultEventEnd(event);
		}

		/*
		 * Event Elements
		 * ------------------------------------------------------------------------------
		 */

		// report when view creates an element for an event
		function reportEventElement(event, element) {
			eventElements.push(element);
			if (eventElementsByID[event._id]) {
				eventElementsByID[event._id].push(element);
			} else {
				eventElementsByID[event._id] = [ element ];
			}
		}

		function reportEventClear() {
			eventElements = [];
			eventElementsByID = {};
		}

		// attaches eventClick, eventMouseover, eventMouseout
		function eventElementHandlers(event, eventElement) {
			eventElement.click(function(ev) {
				if (!eventElement.hasClass('ui-draggable-dragging') && !eventElement.hasClass('ui-resizable-resizing')) {
					return trigger('eventClick', this, event, ev);
				}
			}).hover(function(ev) {
				trigger('eventMouseover', this, event, ev);
			}, function(ev) {
				trigger('eventMouseout', this, event, ev);
			});
			// TODO: don't fire eventMouseover/eventMouseout *while* dragging is
			// occuring (on subject element)
			// TODO: same for resizing
		}

		function showEvents(event, exceptElement) {
			eachEventElement(event, exceptElement, 'show');
		}

		function hideEvents(event, exceptElement) {
			eachEventElement(event, exceptElement, 'hide');
		}

		function eachEventElement(event, exceptElement, funcName) {
			var elements = eventElementsByID[event._id], i, len = elements.length;
			for (i = 0; i < len; i++) {
				if (!exceptElement || elements[i][0] != exceptElement[0]) {
					elements[i][funcName]();
				}
			}
		}

		/*
		 * Event Modification Reporting
		 * ---------------------------------------------------------------------------------
		 */

		function eventDrop(e, event, dayDelta, minuteDelta, allDay, ev, ui) {
			var oldAllDay = event.allDay;
			var eventId = event._id;
			moveEvents(eventsByID[eventId], dayDelta, minuteDelta, allDay);
			trigger('eventDrop', e, event, dayDelta, minuteDelta, allDay, function() {
				// TODO: investigate cases where this inverse technique might
				// not work
				moveEvents(eventsByID[eventId], -dayDelta, -minuteDelta, oldAllDay);
				reportEventChange(eventId);
			}, ev, ui);
			reportEventChange(eventId);
		}

		function eventResize(e, event, dayDelta, minuteDelta, ev, ui) {
			var eventId = event._id;
			elongateEvents(eventsByID[eventId], dayDelta, minuteDelta);
			trigger('eventResize', e, event, dayDelta, minuteDelta, function() {
				// TODO: investigate cases where this inverse technique might
				// not work
				elongateEvents(eventsByID[eventId], -dayDelta, -minuteDelta);
				reportEventChange(eventId);
			}, ev, ui);
			reportEventChange(eventId);
		}

		/*
		 * Event Modification Math
		 * ---------------------------------------------------------------------------------
		 */

		function moveEvents(events, dayDelta, minuteDelta, allDay) {
			minuteDelta = minuteDelta || 0;
			for ( var e, len = events.length, i = 0; i < len; i++) {
				e = events[i];
				if (allDay !== undefined) {
					e.allDay = allDay;
				}
				addMinutes(addDays(e.start, dayDelta, true), minuteDelta);
				if (e.end) {
					e.end = addMinutes(addDays(e.end, dayDelta, true), minuteDelta);
				}
				normalizeEvent(e, options);
			}
		}

		function elongateEvents(events, dayDelta, minuteDelta) {
			minuteDelta = minuteDelta || 0;
			for ( var e, len = events.length, i = 0; i < len; i++) {
				e = events[i];
				e.end = addMinutes(addDays(eventEnd(e), dayDelta, true), minuteDelta);
				normalizeEvent(e, options);
			}
		}

	}

	function DayEventRenderer() {
		var t = this;

		// exports
		t.renderDaySegs = renderDaySegs;
		t.resizableDayEvent = resizableDayEvent;

		// imports
		var opt = t.opt;
		var trigger = t.trigger;
		var isEventDraggable = t.isEventDraggable;
		var isEventResizable = t.isEventResizable;
		var eventEnd = t.eventEnd;
		var reportEventElement = t.reportEventElement;
		var showEvents = t.showEvents;
		var hideEvents = t.hideEvents;
		var eventResize = t.eventResize;
		var getRowCnt = t.getRowCnt;
		var getColCnt = t.getColCnt;
		var getColWidth = t.getColWidth;
		var allDayRow = t.allDayRow;
		var allDayBounds = t.allDayBounds;
		var colContentLeft = t.colContentLeft;
		var colContentRight = t.colContentRight;
		var dayOfWeekCol = t.dayOfWeekCol;
		var dateCell = t.dateCell;
		var compileDaySegs = t.compileDaySegs;
		var getDaySegmentContainer = t.getDaySegmentContainer;
		var bindDaySeg = t.bindDaySeg; // TODO: streamline this
		var formatDates = t.calendar.formatDates;
		var renderDayOverlay = t.renderDayOverlay;
		var clearOverlays = t.clearOverlays;
		var clearSelection = t.clearSelection;

		/*
		 * Rendering
		 * -----------------------------------------------------------------------------
		 */

		function renderDaySegs(segs, modifiedEventId) {
			var segmentContainer = getDaySegmentContainer();
			var rowDivs;
			var rowCnt = getRowCnt();
			var colCnt = getColCnt();
			var i = 0;
			var rowI;
			var levelI;
			var colHeights;
			var j;
			var segCnt = segs.length;
			var seg;
			var top;
			var k;
			segmentContainer[0].innerHTML = daySegHTML(segs); // faster than
																// .html()
			daySegElementResolve(segs, segmentContainer.children());
			daySegElementReport(segs);
			daySegHandlers(segs, segmentContainer, modifiedEventId);
			daySegCalcHSides(segs);
			daySegSetWidths(segs);
			daySegCalcHeights(segs);
			rowDivs = getRowDivs();
			// set row heights, calculate event tops (in relation to row top)
			for (rowI = 0; rowI < rowCnt; rowI++) {
				levelI = 0;
				colHeights = [];
				for (j = 0; j < colCnt; j++) {
					colHeights[j] = 0;
				}
				while (i < segCnt && (seg = segs[i]).row == rowI) {
					// loop through segs in a row
					top = arrayMax(colHeights.slice(seg.startCol, seg.endCol));
					seg.top = top;
					top += seg.outerHeight;
					for (k = seg.startCol; k < seg.endCol; k++) {
						colHeights[k] = top;
					}
					i++;
				}
				rowDivs[rowI].height(arrayMax(colHeights));
			}
			daySegSetTops(segs, getRowTops(rowDivs));
		}

		function renderTempDaySegs(segs, adjustRow, adjustTop) {
			var tempContainer = $("<div/>");
			var elements;
			var segmentContainer = getDaySegmentContainer();
			var i;
			var segCnt = segs.length;
			var element;
			tempContainer[0].innerHTML = daySegHTML(segs); // faster than
															// .html()
			elements = tempContainer.children();
			segmentContainer.append(elements);
			daySegElementResolve(segs, elements);
			daySegCalcHSides(segs);
			daySegSetWidths(segs);
			daySegCalcHeights(segs);
			daySegSetTops(segs, getRowTops(getRowDivs()));
			elements = [];
			for (i = 0; i < segCnt; i++) {
				element = segs[i].element;
				if (element) {
					if (segs[i].row === adjustRow) {
						element.css('top', adjustTop);
					}
					elements.push(element[0]);
				}
			}
			return $(elements);
		}

		function daySegHTML(segs) { // also sets seg.left and seg.outerWidth
			var rtl = opt('isRTL');
			var i;
			var segCnt = segs.length;
			var seg;
			var event;
			var url;
			var classes;
			var bounds = allDayBounds();
			var minLeft = bounds.left;
			var maxLeft = bounds.right;
			var leftCol;
			var rightCol;
			var left;
			var right;
			var skinCss;
			var html = '';
			// calculate desired position/dimensions, create html
			for (i = 0; i < segCnt; i++) {
				seg = segs[i];
				event = seg.event;
				classes = [ 'fc-event', 'fc-event-skin', 'fc-event-hori' ];
				if (isEventDraggable(event)) {
					classes.push('fc-event-draggable');
				}
				if (rtl) {
					if (seg.isStart) {
						classes.push('fc-corner-right');
					}
					if (seg.isEnd) {
						classes.push('fc-corner-left');
					}
					leftCol = dayOfWeekCol(seg.end.getDay() - 1);
					rightCol = dayOfWeekCol(seg.start.getDay());
					left = seg.isEnd ? colContentLeft(leftCol) : minLeft;
					right = seg.isStart ? colContentRight(rightCol) : maxLeft;
				} else {
					if (seg.isStart) {
						classes.push('fc-corner-left');
					}
					if (seg.isEnd) {
						classes.push('fc-corner-right');
					}
					leftCol = dayOfWeekCol(seg.start.getDay());
					rightCol = dayOfWeekCol(seg.end.getDay() - 1);
					left = seg.isStart ? colContentLeft(leftCol) : minLeft;
					right = seg.isEnd ? colContentRight(rightCol) : maxLeft;
				}
				classes = classes.concat(event.className);
				if (event.source) {
					classes = classes.concat(event.source.className || []);
				}
				url = event.url;
				skinCss = getSkinCss(event, opt);
				if (url) {
					html += "<a href='" + htmlEscape(url) + "'";
				} else {
					html += "<div";
				}
				html += " class='" + classes.join(' ') + "'" + " style='position:absolute;z-index:8;left:" + left + "px;" + skinCss + "'" + ">" + "<div" + " class='fc-event-inner fc-event-skin'" + (skinCss ? " style='" + skinCss + "'" : '') + ">";
				if (!event.allDay && seg.isStart) {
					html += "<span class='fc-event-time'>" + htmlEscape(formatDates(event.start, event.end, opt('timeFormat'))) + "</span>";
				}
				html += "<span class='fc-event-title'>" + htmlEscape(event.title) + "</span>" + "</div>";
				if (seg.isEnd && isEventResizable(event)) {
					html += "<div class='ui-resizable-handle ui-resizable-" + (rtl ? 'w' : 'e') + "'>" + "&nbsp;&nbsp;&nbsp;" + // makes
																																// hit
																																// area
																																// a
																																// lot
																																// better
																																// for
																																// IE6/7
					"</div>";
				}
				html += "</" + (url ? "a" : "div") + ">";
				seg.left = left;
				seg.outerWidth = right - left;
				seg.startCol = leftCol;
				seg.endCol = rightCol + 1; // needs to be exclusive
			}
			return html;
		}

		function daySegElementResolve(segs, elements) { // sets seg.element
			var i;
			var segCnt = segs.length;
			var seg;
			var event;
			var element;
			var triggerRes;
			for (i = 0; i < segCnt; i++) {
				seg = segs[i];
				event = seg.event;
				element = $(elements[i]); // faster than .eq()
				triggerRes = trigger('eventRender', event, event, element);
				if (triggerRes === false) {
					element.remove();
				} else {
					if (triggerRes && triggerRes !== true) {
						triggerRes = $(triggerRes).css({
						    position : 'absolute',
						    left : seg.left
						});
						element.replaceWith(triggerRes);
						element = triggerRes;
					}
					seg.element = element;
				}
			}
		}

		function daySegElementReport(segs) {
			var i;
			var segCnt = segs.length;
			var seg;
			var element;
			for (i = 0; i < segCnt; i++) {
				seg = segs[i];
				element = seg.element;
				if (element) {
					reportEventElement(seg.event, element);
				}
			}
		}

		function daySegHandlers(segs, segmentContainer, modifiedEventId) {
			var i;
			var segCnt = segs.length;
			var seg;
			var element;
			var event;
			// retrieve elements, run through eventRender callback, bind
			// handlers
			for (i = 0; i < segCnt; i++) {
				seg = segs[i];
				element = seg.element;
				if (element) {
					event = seg.event;
					if (event._id === modifiedEventId) {
						bindDaySeg(event, element, seg);
					} else {
						element[0]._fci = i; // for lazySegBind
					}
				}
			}
			lazySegBind(segmentContainer, segs, bindDaySeg);
		}

		function daySegCalcHSides(segs) { // also sets seg.key
			var i;
			var segCnt = segs.length;
			var seg;
			var element;
			var key, val;
			var hsideCache = {};
			// record event horizontal sides
			for (i = 0; i < segCnt; i++) {
				seg = segs[i];
				element = seg.element;
				if (element) {
					key = seg.key = cssKey(element[0]);
					val = hsideCache[key];
					if (val === undefined) {
						val = hsideCache[key] = hsides(element, true);
					}
					seg.hsides = val;
				}
			}
		}

		function daySegSetWidths(segs) {
			var i;
			var segCnt = segs.length;
			var seg;
			var element;
			for (i = 0; i < segCnt; i++) {
				seg = segs[i];
				element = seg.element;
				if (element) {
					element[0].style.width = Math.max(0, seg.outerWidth - seg.hsides) + 'px';
				}
			}
		}

		function daySegCalcHeights(segs) {
			var i;
			var segCnt = segs.length;
			var seg;
			var element;
			var key, val;
			var vmarginCache = {};
			// record event heights
			for (i = 0; i < segCnt; i++) {
				seg = segs[i];
				element = seg.element;
				if (element) {
					key = seg.key; // created in daySegCalcHSides
					val = vmarginCache[key];
					if (val === undefined) {
						val = vmarginCache[key] = vmargins(element);
					}
					seg.outerHeight = element[0].offsetHeight + val;
				}
			}
		}

		function getRowDivs() {
			var i;
			var rowCnt = getRowCnt();
			var rowDivs = [];
			for (i = 0; i < rowCnt; i++) {
				rowDivs[i] = allDayRow(i).find('td:first div.fc-day-content > div'); // optimal
																						// selector?
			}
			return rowDivs;
		}

		function getRowTops(rowDivs) {
			var i;
			var rowCnt = rowDivs.length;
			var tops = [];
			for (i = 0; i < rowCnt; i++) {
				tops[i] = rowDivs[i][0].offsetTop; // !!?? but this means the
													// element needs
													// position:relative if in a
													// table cell!!!!
			}
			return tops;
		}

		function daySegSetTops(segs, rowTops) { // also triggers
												// eventAfterRender
			var i;
			var segCnt = segs.length;
			var seg;
			var element;
			var event;
			for (i = 0; i < segCnt; i++) {
				seg = segs[i];
				element = seg.element;
				if (element) {
					element[0].style.top = rowTops[seg.row] + (seg.top || 0) + 'px';
					event = seg.event;
					trigger('eventAfterRender', event, event, element);
				}
			}
		}

		/*
		 * Resizing
		 * -----------------------------------------------------------------------------------
		 */

		function resizableDayEvent(event, element, seg) {
			var rtl = opt('isRTL');
			var direction = rtl ? 'w' : 'e';
			var handle = element.find('div.ui-resizable-' + direction);
			var isResizing = false;

			// TODO: look into using jquery-ui mouse widget for this stuff
			disableTextSelection(element); // prevent native <a> selection for
											// IE
			element.mousedown(function(ev) { // prevent native <a> selection
												// for others
				ev.preventDefault();
			}).click(function(ev) {
				if (isResizing) {
					ev.preventDefault(); // prevent link from being visited
											// (only method that worked in IE6)
					ev.stopImmediatePropagation(); // prevent fullcalendar
													// eventClick handler from
													// being called
					// (eventElementHandlers needs to be bound after
					// resizableDayEvent)
				}
			});

			handle.mousedown(function(ev) {
				if (ev.which != 1) {
					return; // needs to be left mouse button
				}
				isResizing = true;
				var hoverListener = t.getHoverListener();
				var rowCnt = getRowCnt();
				var colCnt = getColCnt();
				var dis = rtl ? -1 : 1;
				var dit = rtl ? colCnt - 1 : 0;
				var elementTop = element.css('top');
				var dayDelta;
				var helpers;
				var eventCopy = $.extend({}, event);
				var minCell = dateCell(event.start);
				clearSelection();
				$('body').css('cursor', direction + '-resize').one('mouseup', mouseup);
				trigger('eventResizeStart', this, event, ev);
				hoverListener.start(function(cell, origCell) {
					if (cell) {
						var r = Math.max(minCell.row, cell.row);
						var c = cell.col;
						if (rowCnt == 1) {
							r = 0; // hack for all-day area in agenda views
						}
						if (r == minCell.row) {
							if (rtl) {
								c = Math.min(minCell.col, c);
							} else {
								c = Math.max(minCell.col, c);
							}
						}
						dayDelta = (r * 7 + c * dis + dit) - (origCell.row * 7 + origCell.col * dis + dit);
						var newEnd = addDays(eventEnd(event), dayDelta, true);
						if (dayDelta) {
							eventCopy.end = newEnd;
							var oldHelpers = helpers;
							helpers = renderTempDaySegs(compileDaySegs([ eventCopy ]), seg.row, elementTop);
							helpers.find('*').css('cursor', direction + '-resize');
							if (oldHelpers) {
								oldHelpers.remove();
							}
							hideEvents(event);
						} else {
							if (helpers) {
								showEvents(event);
								helpers.remove();
								helpers = null;
							}
						}
						clearOverlays();
						renderDayOverlay(event.start, addDays(cloneDate(newEnd), 1)); // coordinate
																						// grid
																						// already
																						// rebuild
																						// at
																						// hoverListener.start
					}
				}, ev);

				function mouseup(ev) {
					trigger('eventResizeStop', this, event, ev);
					$('body').css('cursor', '');
					hoverListener.stop();
					clearOverlays();
					if (dayDelta) {
						eventResize(this, event, dayDelta, 0, ev);
						// event redraw will clear helpers
					}
					// otherwise, the drag handler already restored the old
					// events

					setTimeout(function() { // make this happen after the
											// element's click event
						isResizing = false;
					}, 0);
				}

			});
		}

	}

	// BUG: unselect needs to be triggered when events are dragged+dropped

	function SelectionManager() {
		var t = this;

		// exports
		t.select = select;
		t.unselect = unselect;
		t.reportSelection = reportSelection;
		t.daySelectionMousedown = daySelectionMousedown;

		// imports
		var opt = t.opt;
		var trigger = t.trigger;
		var defaultSelectionEnd = t.defaultSelectionEnd;
		var renderSelection = t.renderSelection;
		var clearSelection = t.clearSelection;

		// locals
		var selected = false;

		// unselectAuto
		if (opt('selectable') && opt('unselectAuto')) {
			$(document).mousedown(function(ev) {
				var ignore = opt('unselectCancel');
				if (ignore) {
					if ($(ev.target).parents(ignore).length) { // could be
																// optimized to
																// stop after
																// first match
						return;
					}
				}
				unselect(ev);
			});
		}

		function select(startDate, endDate, allDay) {
			unselect();
			if (!endDate) {
				endDate = defaultSelectionEnd(startDate, allDay);
			}
			renderSelection(startDate, endDate, allDay);
			reportSelection(startDate, endDate, allDay);
		}

		function unselect(ev) {
			if (selected) {
				selected = false;
				clearSelection();
				trigger('unselect', null, ev);
			}
		}

		function reportSelection(startDate, endDate, allDay, ev) {
			selected = true;
			trigger('select', null, startDate, endDate, allDay, ev);
		}

		function daySelectionMousedown(ev) { // not really a generic manager
												// method, oh well
			var cellDate = t.cellDate;
			var cellIsAllDay = t.cellIsAllDay;
			var hoverListener = t.getHoverListener();
			var reportDayClick = t.reportDayClick; // this is hacky and sort of
													// weird
			if (ev.which == 1 && opt('selectable')) { // which==1 means left
														// mouse button
				unselect(ev);
				var _mousedownElement = this;
				var dates;
				hoverListener.start(function(cell, origCell) { // TODO: maybe
																// put
																// cellDate/cellIsAllDay
																// info in cell
					clearSelection();
					if (cell && cellIsAllDay(cell)) {
						dates = [ cellDate(origCell), cellDate(cell) ].sort(cmp);
						renderSelection(dates[0], dates[1], true);
					} else {
						dates = null;
					}
				}, ev);
				$(document).one('mouseup', function(ev) {
					hoverListener.stop();
					if (dates) {
						if (+dates[0] == +dates[1]) {
							reportDayClick(dates[0], true, ev);
						}
						reportSelection(dates[0], dates[1], true, ev);
					}
				});
			}
		}

	}

	function OverlayManager() {
		var t = this;

		// exports
		t.renderOverlay = renderOverlay;
		t.clearOverlays = clearOverlays;

		// locals
		var usedOverlays = [];
		var unusedOverlays = [];

		function renderOverlay(rect, parent) {
			var e = unusedOverlays.shift();
			if (!e) {
				e = $("<div class='fc-cell-overlay' style='position:absolute;z-index:3'/>");
			}
			if (e[0].parentNode != parent[0]) {
				e.appendTo(parent);
			}
			usedOverlays.push(e.css(rect).show());
			return e;
		}

		function clearOverlays() {
			var e;
			while (e = usedOverlays.shift()) {
				unusedOverlays.push(e.hide().unbind());
			}
		}

	}

	function CoordinateGrid(buildFunc) {

		var t = this;
		var rows;
		var cols;

		t.build = function() {
			rows = [];
			cols = [];
			buildFunc(rows, cols);
		};

		t.cell = function(x, y) {
			var rowCnt = rows.length;
			var colCnt = cols.length;
			var i, r = -1, c = -1;
			for (i = 0; i < rowCnt; i++) {
				if (y >= rows[i][0] && y < rows[i][1]) {
					r = i;
					break;
				}
			}
			for (i = 0; i < colCnt; i++) {
				if (x >= cols[i][0] && x < cols[i][1]) {
					c = i;
					break;
				}
			}
			return (r >= 0 && c >= 0) ? {
			    row : r,
			    col : c
			} : null;
		};

		t.rect = function(row0, col0, row1, col1, originElement) { // row1,col1
																	// is
																	// inclusive
			var origin = originElement.offset();
			return {
			    top : rows[row0][0] - origin.top,
			    left : cols[col0][0] - origin.left,
			    width : cols[col1][1] - cols[col0][0],
			    height : rows[row1][1] - rows[row0][0]
			};
		};

	}

	function HoverListener(coordinateGrid) {

		var t = this;
		var bindType;
		var change;
		var firstCell;
		var cell;

		t.start = function(_change, ev, _bindType) {
			change = _change;
			firstCell = cell = null;
			coordinateGrid.build();
			mouse(ev);
			bindType = _bindType || 'mousemove';
			$(document).bind(bindType, mouse);
		};

		function mouse(ev) {
			_fixUIEvent(ev); // see below
			var newCell = coordinateGrid.cell(ev.pageX, ev.pageY);
			if (!newCell != !cell || newCell && (newCell.row != cell.row || newCell.col != cell.col)) {
				if (newCell) {
					if (!firstCell) {
						firstCell = newCell;
					}
					change(newCell, firstCell, newCell.row - firstCell.row, newCell.col - firstCell.col);
				} else {
					change(newCell, firstCell);
				}
				cell = newCell;
			}
		}

		t.stop = function() {
			$(document).unbind(bindType, mouse);
			return cell;
		};

	}

	// this fix was only necessary for jQuery UI 1.8.16 (and jQuery 1.7 or
	// 1.7.1)
	// upgrading to jQuery UI 1.8.17 (and using either jQuery 1.7 or 1.7.1)
	// fixed the problem
	// but keep this in here for 1.8.16 users
	// and maybe remove it down the line

	function _fixUIEvent(event) { // for issue 1168
		if (event.pageX === undefined) {
			event.pageX = event.originalEvent.pageX;
			event.pageY = event.originalEvent.pageY;
		}
	}
	function HorizontalPositionCache(getElement) {

		var t = this, elements = {}, lefts = {}, rights = {};

		function e(i) {
			return elements[i] = elements[i] || getElement(i);
		}

		t.left = function(i) {
			return lefts[i] = lefts[i] === undefined ? e(i).position().left : lefts[i];
		};

		t.right = function(i) {
			return rights[i] = rights[i] === undefined ? t.left(i) + e(i).width() : rights[i];
		};

		t.clear = function() {
			elements = {};
			lefts = {};
			rights = {};
		};

	}

})(jQuery);